Home / 11,528.42-15,909.28-6,492.72

Finding the Fourth Proportional to 11,528.42, 15,909.28 and 6,492.72

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Solution

The fourth proportional to 11,528.42, 15,909.28 and 6,492.72 is: 8,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.42 : 15,909.28 = 6,492.72 : x
  2. Step 2: Convert to fraction form
    11,528.42/15,909.28 = 6,492.72/x
  3. Step 3: Cross multiply
    11,528.42x = 15,909.28 × 6,492.72
  4. Step 4: Simplify right side
    11,528.42x = 103,294,543.87
  5. Step 5: Solve for x
    x = 103,294,543.87/11,528.42
  6. Step 6: Final answer
    x = 8,960.00

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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.