Home / 22,501.39-31,051.78-12,430.52

Finding the Fourth Proportional to 22,501.39, 31,051.78 and 12,430.52

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Solution

The fourth proportional to 22,501.39, 31,051.78 and 12,430.52 is: 17,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,501.39 : 31,051.78 = 12,430.52 : x
  2. Step 2: Convert to fraction form
    22,501.39/31,051.78 = 12,430.52/x
  3. Step 3: Cross multiply
    22,501.39x = 31,051.78 × 12,430.52
  4. Step 4: Simplify right side
    22,501.39x = 385,989,772.33
  5. Step 5: Solve for x
    x = 385,989,772.33/22,501.39
  6. Step 6: Final answer
    x = 17,154.04

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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.