Home / 11,353.16-15,665.98-6,316.19

Finding the Fourth Proportional to 11,353.16, 15,665.98 and 6,316.19

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Solution

The fourth proportional to 11,353.16, 15,665.98 and 6,316.19 is: 8,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.16 : 15,665.98 = 6,316.19 : x
  2. Step 2: Convert to fraction form
    11,353.16/15,665.98 = 6,316.19/x
  3. Step 3: Cross multiply
    11,353.16x = 15,665.98 × 6,316.19
  4. Step 4: Simplify right side
    11,353.16x = 98,949,306.22
  5. Step 5: Solve for x
    x = 98,949,306.22/11,353.16
  6. Step 6: Final answer
    x = 8,715.57

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Double scale
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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.