Home / 23,130.04-31,919.28-13,061.74

Finding the Fourth Proportional to 23,130.04, 31,919.28 and 13,061.74

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Solution

The fourth proportional to 23,130.04, 31,919.28 and 13,061.74 is: 18,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.04 : 31,919.28 = 13,061.74 : x
  2. Step 2: Convert to fraction form
    23,130.04/31,919.28 = 13,061.74/x
  3. Step 3: Cross multiply
    23,130.04x = 31,919.28 × 13,061.74
  4. Step 4: Simplify right side
    23,130.04x = 416,921,336.35
  5. Step 5: Solve for x
    x = 416,921,336.35/23,130.04
  6. Step 6: Final answer
    x = 18,025.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.