Home / 10,920.06-15,057.63-9,248.22

Finding the Fourth Proportional to 10,920.06, 15,057.63 and 9,248.22

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Solution

The fourth proportional to 10,920.06, 15,057.63 and 9,248.22 is: 12,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.06 : 15,057.63 = 9,248.22 : x
  2. Step 2: Convert to fraction form
    10,920.06/15,057.63 = 9,248.22/x
  3. Step 3: Cross multiply
    10,920.06x = 15,057.63 × 9,248.22
  4. Step 4: Simplify right side
    10,920.06x = 139,256,274.92
  5. Step 5: Solve for x
    x = 139,256,274.92/10,920.06
  6. Step 6: Final answer
    x = 12,752.34

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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.