Home / 64,872-97,308-15,624

Finding the Fourth Proportional to 64,872, 97,308 and 15,624

Calculator

Solution

The fourth proportional to 64,872, 97,308 and 15,624 is: 23,436

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872 : 97,308 = 15,624 : x
  2. Step 2: Convert to fraction form
    64,872/97,308 = 15,624/x
  3. Step 3: Cross multiply
    64,872x = 97,308 × 15,624
  4. Step 4: Simplify right side
    64,872x = 1,520,340,192
  5. Step 5: Solve for x
    x = 1,520,340,192/64,872
  6. Step 6: Final answer
    x = 23,436

Related Problems

Find fourth proportional to 32,436, 48,654 and 7,812
Half scale
Find fourth proportional to 129,744, 194,616 and 31,248
Double scale
Find fourth proportional to 64,873, 97,309.50 and 15,625
Similar ratio
Find fourth proportional to 97,308, 145,962 and 23,436
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.