Home / 18,859.55-28,275.35-9,492.71

Finding the Fourth Proportional to 18,859.55, 28,275.35 and 9,492.71

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Solution

The fourth proportional to 18,859.55, 28,275.35 and 9,492.71 is: 14,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.55 : 28,275.35 = 9,492.71 : x
  2. Step 2: Convert to fraction form
    18,859.55/28,275.35 = 9,492.71/x
  3. Step 3: Cross multiply
    18,859.55x = 28,275.35 × 9,492.71
  4. Step 4: Simplify right side
    18,859.55x = 268,409,508.86
  5. Step 5: Solve for x
    x = 268,409,508.86/18,859.55
  6. Step 6: Final answer
    x = 14,232.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.