Home / 10,345.52-15,518.28-4,500.77

Finding the Fourth Proportional to 10,345.52, 15,518.28 and 4,500.77

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Solution

The fourth proportional to 10,345.52, 15,518.28 and 4,500.77 is: 6,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.52 : 15,518.28 = 4,500.77 : x
  2. Step 2: Convert to fraction form
    10,345.52/15,518.28 = 4,500.77/x
  3. Step 3: Cross multiply
    10,345.52x = 15,518.28 × 4,500.77
  4. Step 4: Simplify right side
    10,345.52x = 69,844,148.36
  5. Step 5: Solve for x
    x = 69,844,148.36/10,345.52
  6. Step 6: Final answer
    x = 6,751.15

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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.