Home / 15,242.61-21,033.38-9,499.53

Finding the Fourth Proportional to 15,242.61, 21,033.38 and 9,499.53

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Solution

The fourth proportional to 15,242.61, 21,033.38 and 9,499.53 is: 13,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.61 : 21,033.38 = 9,499.53 : x
  2. Step 2: Convert to fraction form
    15,242.61/21,033.38 = 9,499.53/x
  3. Step 3: Cross multiply
    15,242.61x = 21,033.38 × 9,499.53
  4. Step 4: Simplify right side
    15,242.61x = 199,807,176.81
  5. Step 5: Solve for x
    x = 199,807,176.81/15,242.61
  6. Step 6: Final answer
    x = 13,108.46

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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.