Home / 14,869.16-20,519.70-8,581.76

Finding the Fourth Proportional to 14,869.16, 20,519.70 and 8,581.76

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Solution

The fourth proportional to 14,869.16, 20,519.70 and 8,581.76 is: 11,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.16 : 20,519.70 = 8,581.76 : x
  2. Step 2: Convert to fraction form
    14,869.16/20,519.70 = 8,581.76/x
  3. Step 3: Cross multiply
    14,869.16x = 20,519.70 × 8,581.76
  4. Step 4: Simplify right side
    14,869.16x = 176,095,140.67
  5. Step 5: Solve for x
    x = 176,095,140.67/14,869.16
  6. Step 6: Final answer
    x = 11,842.98

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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.