Home / 15,955.87-23,897.40-7,641.76

Finding the Fourth Proportional to 15,955.87, 23,897.40 and 7,641.76

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Solution

The fourth proportional to 15,955.87, 23,897.40 and 7,641.76 is: 11,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.87 : 23,897.40 = 7,641.76 : x
  2. Step 2: Convert to fraction form
    15,955.87/23,897.40 = 7,641.76/x
  3. Step 3: Cross multiply
    15,955.87x = 23,897.40 × 7,641.76
  4. Step 4: Simplify right side
    15,955.87x = 182,618,195.42
  5. Step 5: Solve for x
    x = 182,618,195.42/15,955.87
  6. Step 6: Final answer
    x = 11,445.20

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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.