Home / 9,816.88-13,547.18-5,837.90

Finding the Fourth Proportional to 9,816.88, 13,547.18 and 5,837.90

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Solution

The fourth proportional to 9,816.88, 13,547.18 and 5,837.90 is: 8,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.88 : 13,547.18 = 5,837.90 : x
  2. Step 2: Convert to fraction form
    9,816.88/13,547.18 = 5,837.90/x
  3. Step 3: Cross multiply
    9,816.88x = 13,547.18 × 5,837.90
  4. Step 4: Simplify right side
    9,816.88x = 79,087,082.12
  5. Step 5: Solve for x
    x = 79,087,082.12/9,816.88
  6. Step 6: Final answer
    x = 8,056.24

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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.