Home / 22,775.09-31,430.16-12,566.25

Finding the Fourth Proportional to 22,775.09, 31,430.16 and 12,566.25

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Solution

The fourth proportional to 22,775.09, 31,430.16 and 12,566.25 is: 17,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.09 : 31,430.16 = 12,566.25 : x
  2. Step 2: Convert to fraction form
    22,775.09/31,430.16 = 12,566.25/x
  3. Step 3: Cross multiply
    22,775.09x = 31,430.16 × 12,566.25
  4. Step 4: Simplify right side
    22,775.09x = 394,959,248.10
  5. Step 5: Solve for x
    x = 394,959,248.10/22,775.09
  6. Step 6: Final answer
    x = 17,341.72

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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.