Home / 15,366.76-21,203.93-8,560.74

Finding the Fourth Proportional to 15,366.76, 21,203.93 and 8,560.74

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Solution

The fourth proportional to 15,366.76, 21,203.93 and 8,560.74 is: 11,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.76 : 21,203.93 = 8,560.74 : x
  2. Step 2: Convert to fraction form
    15,366.76/21,203.93 = 8,560.74/x
  3. Step 3: Cross multiply
    15,366.76x = 21,203.93 × 8,560.74
  4. Step 4: Simplify right side
    15,366.76x = 181,521,265.20
  5. Step 5: Solve for x
    x = 181,521,265.20/15,366.76
  6. Step 6: Final answer
    x = 11,812.59

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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.