Home / 15,716.40-23,442.18-14,627.76

Finding the Fourth Proportional to 15,716.40, 23,442.18 and 14,627.76

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Solution

The fourth proportional to 15,716.40, 23,442.18 and 14,627.76 is: 21,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.40 : 23,442.18 = 14,627.76 : x
  2. Step 2: Convert to fraction form
    15,716.40/23,442.18 = 14,627.76/x
  3. Step 3: Cross multiply
    15,716.40x = 23,442.18 × 14,627.76
  4. Step 4: Simplify right side
    15,716.40x = 342,906,582.92
  5. Step 5: Solve for x
    x = 342,906,582.92/15,716.40
  6. Step 6: Final answer
    x = 21,818.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.