Home / 15,009.57-20,704.77-9,037.53

Finding the Fourth Proportional to 15,009.57, 20,704.77 and 9,037.53

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Solution

The fourth proportional to 15,009.57, 20,704.77 and 9,037.53 is: 12,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.57 : 20,704.77 = 9,037.53 : x
  2. Step 2: Convert to fraction form
    15,009.57/20,704.77 = 9,037.53/x
  3. Step 3: Cross multiply
    15,009.57x = 20,704.77 × 9,037.53
  4. Step 4: Simplify right side
    15,009.57x = 187,119,980.02
  5. Step 5: Solve for x
    x = 187,119,980.02/15,009.57
  6. Step 6: Final answer
    x = 12,466.71

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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.