Home / 13,718.52-20,561.26-6,312.84

Finding the Fourth Proportional to 13,718.52, 20,561.26 and 6,312.84

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Solution

The fourth proportional to 13,718.52, 20,561.26 and 6,312.84 is: 9,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.52 : 20,561.26 = 6,312.84 : x
  2. Step 2: Convert to fraction form
    13,718.52/20,561.26 = 6,312.84/x
  3. Step 3: Cross multiply
    13,718.52x = 20,561.26 × 6,312.84
  4. Step 4: Simplify right side
    13,718.52x = 129,799,944.58
  5. Step 5: Solve for x
    x = 129,799,944.58/13,718.52
  6. Step 6: Final answer
    x = 9,461.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.