Home / 15,570.40-23,329.95-8,985.10

Finding the Fourth Proportional to 15,570.40, 23,329.95 and 8,985.10

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Solution

The fourth proportional to 15,570.40, 23,329.95 and 8,985.10 is: 13,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.40 : 23,329.95 = 8,985.10 : x
  2. Step 2: Convert to fraction form
    15,570.40/23,329.95 = 8,985.10/x
  3. Step 3: Cross multiply
    15,570.40x = 23,329.95 × 8,985.10
  4. Step 4: Simplify right side
    15,570.40x = 209,621,933.75
  5. Step 5: Solve for x
    x = 209,621,933.75/15,570.40
  6. Step 6: Final answer
    x = 13,462.85

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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.