Home / 15,639.74-23,338.35-14,242.76

Finding the Fourth Proportional to 15,639.74, 23,338.35 and 14,242.76

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Solution

The fourth proportional to 15,639.74, 23,338.35 and 14,242.76 is: 21,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.74 : 23,338.35 = 14,242.76 : x
  2. Step 2: Convert to fraction form
    15,639.74/23,338.35 = 14,242.76/x
  3. Step 3: Cross multiply
    15,639.74x = 23,338.35 × 14,242.76
  4. Step 4: Simplify right side
    15,639.74x = 332,402,446.63
  5. Step 5: Solve for x
    x = 332,402,446.63/15,639.74
  6. Step 6: Final answer
    x = 21,253.71

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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.