Home / 11,123.23-15,349.91-6,343.01

Finding the Fourth Proportional to 11,123.23, 15,349.91 and 6,343.01

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Solution

The fourth proportional to 11,123.23, 15,349.91 and 6,343.01 is: 8,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.23 : 15,349.91 = 6,343.01 : x
  2. Step 2: Convert to fraction form
    11,123.23/15,349.91 = 6,343.01/x
  3. Step 3: Cross multiply
    11,123.23x = 15,349.91 × 6,343.01
  4. Step 4: Simplify right side
    11,123.23x = 97,364,600.91
  5. Step 5: Solve for x
    x = 97,364,600.91/11,123.23
  6. Step 6: Final answer
    x = 8,753.27

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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.