Home / 10,838.08-14,899.10-9,320.07

Finding the Fourth Proportional to 10,838.08, 14,899.10 and 9,320.07

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Solution

The fourth proportional to 10,838.08, 14,899.10 and 9,320.07 is: 12,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.08 : 14,899.10 = 9,320.07 : x
  2. Step 2: Convert to fraction form
    10,838.08/14,899.10 = 9,320.07/x
  3. Step 3: Cross multiply
    10,838.08x = 14,899.10 × 9,320.07
  4. Step 4: Simplify right side
    10,838.08x = 138,860,654.94
  5. Step 5: Solve for x
    x = 138,860,654.94/10,838.08
  6. Step 6: Final answer
    x = 12,812.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.