Home / 15,565.80-23,290.38-8,645.16

Finding the Fourth Proportional to 15,565.80, 23,290.38 and 8,645.16

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Solution

The fourth proportional to 15,565.80, 23,290.38 and 8,645.16 is: 12,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.80 : 23,290.38 = 8,645.16 : x
  2. Step 2: Convert to fraction form
    15,565.80/23,290.38 = 8,645.16/x
  3. Step 3: Cross multiply
    15,565.80x = 23,290.38 × 8,645.16
  4. Step 4: Simplify right side
    15,565.80x = 201,349,061.56
  5. Step 5: Solve for x
    x = 201,349,061.56/15,565.80
  6. Step 6: Final answer
    x = 12,935.35

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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.