Home / 15,365.91-23,041.13-8,956.55

Finding the Fourth Proportional to 15,365.91, 23,041.13 and 8,956.55

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Solution

The fourth proportional to 15,365.91, 23,041.13 and 8,956.55 is: 13,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365.91 : 23,041.13 = 8,956.55 : x
  2. Step 2: Convert to fraction form
    15,365.91/23,041.13 = 8,956.55/x
  3. Step 3: Cross multiply
    15,365.91x = 23,041.13 × 8,956.55
  4. Step 4: Simplify right side
    15,365.91x = 206,369,032.90
  5. Step 5: Solve for x
    x = 206,369,032.90/15,365.91
  6. Step 6: Final answer
    x = 13,430.32

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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.