Home / 15,648.40-23,340.74-14,559.76

Finding the Fourth Proportional to 15,648.40, 23,340.74 and 14,559.76

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Solution

The fourth proportional to 15,648.40, 23,340.74 and 14,559.76 is: 21,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.40 : 23,340.74 = 14,559.76 : x
  2. Step 2: Convert to fraction form
    15,648.40/23,340.74 = 14,559.76/x
  3. Step 3: Cross multiply
    15,648.40x = 23,340.74 × 14,559.76
  4. Step 4: Simplify right side
    15,648.40x = 339,835,572.62
  5. Step 5: Solve for x
    x = 339,835,572.62/15,648.40
  6. Step 6: Final answer
    x = 21,716.95

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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.