Home / 14,490.15-19,977.10-13,013.92

Finding the Fourth Proportional to 14,490.15, 19,977.10 and 13,013.92

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Solution

The fourth proportional to 14,490.15, 19,977.10 and 13,013.92 is: 17,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.15 : 19,977.10 = 13,013.92 : x
  2. Step 2: Convert to fraction form
    14,490.15/19,977.10 = 13,013.92/x
  3. Step 3: Cross multiply
    14,490.15x = 19,977.10 × 13,013.92
  4. Step 4: Simplify right side
    14,490.15x = 259,980,381.23
  5. Step 5: Solve for x
    x = 259,980,381.23/14,490.15
  6. Step 6: Final answer
    x = 17,941.87

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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.