Home / 15,431.34-23,177.76-14,560.94

Finding the Fourth Proportional to 15,431.34, 23,177.76 and 14,560.94

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Solution

The fourth proportional to 15,431.34, 23,177.76 and 14,560.94 is: 21,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.34 : 23,177.76 = 14,560.94 : x
  2. Step 2: Convert to fraction form
    15,431.34/23,177.76 = 14,560.94/x
  3. Step 3: Cross multiply
    15,431.34x = 23,177.76 × 14,560.94
  4. Step 4: Simplify right side
    15,431.34x = 337,489,931.32
  5. Step 5: Solve for x
    x = 337,489,931.32/15,431.34
  6. Step 6: Final answer
    x = 21,870.43

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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.