Home / 14,723.24-20,316.66-8,434.76

Finding the Fourth Proportional to 14,723.24, 20,316.66 and 8,434.76

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Solution

The fourth proportional to 14,723.24, 20,316.66 and 8,434.76 is: 11,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.24 : 20,316.66 = 8,434.76 : x
  2. Step 2: Convert to fraction form
    14,723.24/20,316.66 = 8,434.76/x
  3. Step 3: Cross multiply
    14,723.24x = 20,316.66 × 8,434.76
  4. Step 4: Simplify right side
    14,723.24x = 171,366,151.10
  5. Step 5: Solve for x
    x = 171,366,151.10/14,723.24
  6. Step 6: Final answer
    x = 11,639.16

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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.