Home / 13,490.80-18,597-10,501.36

Finding the Fourth Proportional to 13,490.80, 18,597 and 10,501.36

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Solution

The fourth proportional to 13,490.80, 18,597 and 10,501.36 is: 14,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490.80 : 18,597 = 10,501.36 : x
  2. Step 2: Convert to fraction form
    13,490.80/18,597 = 10,501.36/x
  3. Step 3: Cross multiply
    13,490.80x = 18,597 × 10,501.36
  4. Step 4: Simplify right side
    13,490.80x = 195,293,791.92
  5. Step 5: Solve for x
    x = 195,293,791.92/13,490.80
  6. Step 6: Final answer
    x = 14,476.07

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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.