Home / 21,402.76-32,114.70-10,318.84

Finding the Fourth Proportional to 21,402.76, 32,114.70 and 10,318.84

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Solution

The fourth proportional to 21,402.76, 32,114.70 and 10,318.84 is: 15,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.76 : 32,114.70 = 10,318.84 : x
  2. Step 2: Convert to fraction form
    21,402.76/32,114.70 = 10,318.84/x
  3. Step 3: Cross multiply
    21,402.76x = 32,114.70 × 10,318.84
  4. Step 4: Simplify right side
    21,402.76x = 331,386,450.95
  5. Step 5: Solve for x
    x = 331,386,450.95/21,402.76
  6. Step 6: Final answer
    x = 15,483.35

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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.