Home / 10,565.40-15,848.10-10,079.40

Finding the Fourth Proportional to 10,565.40, 15,848.10 and 10,079.40

Calculator

Solution

The fourth proportional to 10,565.40, 15,848.10 and 10,079.40 is: 15,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.40 : 15,848.10 = 10,079.40 : x
  2. Step 2: Convert to fraction form
    10,565.40/15,848.10 = 10,079.40/x
  3. Step 3: Cross multiply
    10,565.40x = 15,848.10 × 10,079.40
  4. Step 4: Simplify right side
    10,565.40x = 159,739,339.14
  5. Step 5: Solve for x
    x = 159,739,339.14/10,565.40
  6. Step 6: Final answer
    x = 15,119.10

Related Problems

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.