Home / 10,320.54-15,480.75-7,025.46

Finding the Fourth Proportional to 10,320.54, 15,480.75 and 7,025.46

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Solution

The fourth proportional to 10,320.54, 15,480.75 and 7,025.46 is: 10,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.54 : 15,480.75 = 7,025.46 : x
  2. Step 2: Convert to fraction form
    10,320.54/15,480.75 = 7,025.46/x
  3. Step 3: Cross multiply
    10,320.54x = 15,480.75 × 7,025.46
  4. Step 4: Simplify right side
    10,320.54x = 108,759,389.90
  5. Step 5: Solve for x
    x = 108,759,389.90/10,320.54
  6. Step 6: Final answer
    x = 10,538.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.