Home / 15,050.52-20,756.18-9,739.80

Finding the Fourth Proportional to 15,050.52, 20,756.18 and 9,739.80

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Solution

The fourth proportional to 15,050.52, 20,756.18 and 9,739.80 is: 13,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.52 : 20,756.18 = 9,739.80 : x
  2. Step 2: Convert to fraction form
    15,050.52/20,756.18 = 9,739.80/x
  3. Step 3: Cross multiply
    15,050.52x = 20,756.18 × 9,739.80
  4. Step 4: Simplify right side
    15,050.52x = 202,161,041.96
  5. Step 5: Solve for x
    x = 202,161,041.96/15,050.52
  6. Step 6: Final answer
    x = 13,432.16

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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.