Home / 14,774.53-20,386.07-8,806.76

Finding the Fourth Proportional to 14,774.53, 20,386.07 and 8,806.76

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Solution

The fourth proportional to 14,774.53, 20,386.07 and 8,806.76 is: 12,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.53 : 20,386.07 = 8,806.76 : x
  2. Step 2: Convert to fraction form
    14,774.53/20,386.07 = 8,806.76/x
  3. Step 3: Cross multiply
    14,774.53x = 20,386.07 × 8,806.76
  4. Step 4: Simplify right side
    14,774.53x = 179,535,134.61
  5. Step 5: Solve for x
    x = 179,535,134.61/14,774.53
  6. Step 6: Final answer
    x = 12,151.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.