Home / 10,395.12-15,583.84-4,547.36

Finding the Fourth Proportional to 10,395.12, 15,583.84 and 4,547.36

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Solution

The fourth proportional to 10,395.12, 15,583.84 and 4,547.36 is: 6,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.12 : 15,583.84 = 4,547.36 : x
  2. Step 2: Convert to fraction form
    10,395.12/15,583.84 = 4,547.36/x
  3. Step 3: Cross multiply
    10,395.12x = 15,583.84 × 4,547.36
  4. Step 4: Simplify right side
    10,395.12x = 70,865,330.66
  5. Step 5: Solve for x
    x = 70,865,330.66/10,395.12
  6. Step 6: Final answer
    x = 6,817.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.