Home / 15,938.74-22,005.30-10,275.50

Finding the Fourth Proportional to 15,938.74, 22,005.30 and 10,275.50

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Solution

The fourth proportional to 15,938.74, 22,005.30 and 10,275.50 is: 14,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.74 : 22,005.30 = 10,275.50 : x
  2. Step 2: Convert to fraction form
    15,938.74/22,005.30 = 10,275.50/x
  3. Step 3: Cross multiply
    15,938.74x = 22,005.30 × 10,275.50
  4. Step 4: Simplify right side
    15,938.74x = 226,115,460.15
  5. Step 5: Solve for x
    x = 226,115,460.15/15,938.74
  6. Step 6: Final answer
    x = 14,186.53

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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.