Home / 10,148.05-14,008.20-9,083.92

Finding the Fourth Proportional to 10,148.05, 14,008.20 and 9,083.92

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Solution

The fourth proportional to 10,148.05, 14,008.20 and 9,083.92 is: 12,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.05 : 14,008.20 = 9,083.92 : x
  2. Step 2: Convert to fraction form
    10,148.05/14,008.20 = 9,083.92/x
  3. Step 3: Cross multiply
    10,148.05x = 14,008.20 × 9,083.92
  4. Step 4: Simplify right side
    10,148.05x = 127,249,368.14
  5. Step 5: Solve for x
    x = 127,249,368.14/10,148.05
  6. Step 6: Final answer
    x = 12,539.29

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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.