Home / 10,278.04-15,342.63-9,032.44

Finding the Fourth Proportional to 10,278.04, 15,342.63 and 9,032.44

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Solution

The fourth proportional to 10,278.04, 15,342.63 and 9,032.44 is: 13,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.04 : 15,342.63 = 9,032.44 : x
  2. Step 2: Convert to fraction form
    10,278.04/15,342.63 = 9,032.44/x
  3. Step 3: Cross multiply
    10,278.04x = 15,342.63 × 9,032.44
  4. Step 4: Simplify right side
    10,278.04x = 138,581,384.92
  5. Step 5: Solve for x
    x = 138,581,384.92/10,278.04
  6. Step 6: Final answer
    x = 13,483.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.