Home / 10,023.60-15,040.80-4,477.80

Finding the Fourth Proportional to 10,023.60, 15,040.80 and 4,477.80

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Solution

The fourth proportional to 10,023.60, 15,040.80 and 4,477.80 is: 6,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023.60 : 15,040.80 = 4,477.80 : x
  2. Step 2: Convert to fraction form
    10,023.60/15,040.80 = 4,477.80/x
  3. Step 3: Cross multiply
    10,023.60x = 15,040.80 × 4,477.80
  4. Step 4: Simplify right side
    10,023.60x = 67,349,694.24
  5. Step 5: Solve for x
    x = 67,349,694.24/10,023.60
  6. Step 6: Final answer
    x = 6,719.11

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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.