Home / 15,233.18-21,030.86-9,572.72

Finding the Fourth Proportional to 15,233.18, 21,030.86 and 9,572.72

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Solution

The fourth proportional to 15,233.18, 21,030.86 and 9,572.72 is: 13,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.18 : 21,030.86 = 9,572.72 : x
  2. Step 2: Convert to fraction form
    15,233.18/21,030.86 = 9,572.72/x
  3. Step 3: Cross multiply
    15,233.18x = 21,030.86 × 9,572.72
  4. Step 4: Simplify right side
    15,233.18x = 201,322,452.92
  5. Step 5: Solve for x
    x = 201,322,452.92/15,233.18
  6. Step 6: Final answer
    x = 13,216.05

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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.