Home / 10,521.90-14,490.70-10,292.27

Finding the Fourth Proportional to 10,521.90, 14,490.70 and 10,292.27

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Solution

The fourth proportional to 10,521.90, 14,490.70 and 10,292.27 is: 14,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.90 : 14,490.70 = 10,292.27 : x
  2. Step 2: Convert to fraction form
    10,521.90/14,490.70 = 10,292.27/x
  3. Step 3: Cross multiply
    10,521.90x = 14,490.70 × 10,292.27
  4. Step 4: Simplify right side
    10,521.90x = 149,142,098.70
  5. Step 5: Solve for x
    x = 149,142,098.70/10,521.90
  6. Step 6: Final answer
    x = 14,174.45

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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.