Home / 13,312.30-18,359.31-10,658.74

Finding the Fourth Proportional to 13,312.30, 18,359.31 and 10,658.74

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Solution

The fourth proportional to 13,312.30, 18,359.31 and 10,658.74 is: 14,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.30 : 18,359.31 = 10,658.74 : x
  2. Step 2: Convert to fraction form
    13,312.30/18,359.31 = 10,658.74/x
  3. Step 3: Cross multiply
    13,312.30x = 18,359.31 × 10,658.74
  4. Step 4: Simplify right side
    13,312.30x = 195,687,111.87
  5. Step 5: Solve for x
    x = 195,687,111.87/13,312.30
  6. Step 6: Final answer
    x = 14,699.72

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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.