Home / 11,343.95-15,653.76-6,307.88

Finding the Fourth Proportional to 11,343.95, 15,653.76 and 6,307.88

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Solution

The fourth proportional to 11,343.95, 15,653.76 and 6,307.88 is: 8,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.95 : 15,653.76 = 6,307.88 : x
  2. Step 2: Convert to fraction form
    11,343.95/15,653.76 = 6,307.88/x
  3. Step 3: Cross multiply
    11,343.95x = 15,653.76 × 6,307.88
  4. Step 4: Simplify right side
    11,343.95x = 98,741,937.71
  5. Step 5: Solve for x
    x = 98,741,937.71/11,343.95
  6. Step 6: Final answer
    x = 8,704.37

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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.