Home / 15,658.14-21,475.93-14,810.88

Finding the Fourth Proportional to 15,658.14, 21,475.93 and 14,810.88

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Solution

The fourth proportional to 15,658.14, 21,475.93 and 14,810.88 is: 20,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.14 : 21,475.93 = 14,810.88 : x
  2. Step 2: Convert to fraction form
    15,658.14/21,475.93 = 14,810.88/x
  3. Step 3: Cross multiply
    15,658.14x = 21,475.93 × 14,810.88
  4. Step 4: Simplify right side
    15,658.14x = 318,077,422.12
  5. Step 5: Solve for x
    x = 318,077,422.12/15,658.14
  6. Step 6: Final answer
    x = 20,313.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.