Home / 10,521.60-14,519.98-5,805.92

Finding the Fourth Proportional to 10,521.60, 14,519.98 and 5,805.92

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Solution

The fourth proportional to 10,521.60, 14,519.98 and 5,805.92 is: 8,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.60 : 14,519.98 = 5,805.92 : x
  2. Step 2: Convert to fraction form
    10,521.60/14,519.98 = 5,805.92/x
  3. Step 3: Cross multiply
    10,521.60x = 14,519.98 × 5,805.92
  4. Step 4: Simplify right side
    10,521.60x = 84,301,842.28
  5. Step 5: Solve for x
    x = 84,301,842.28/10,521.60
  6. Step 6: Final answer
    x = 8,012.26

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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.