Home / 10,386.12-14,333.66-5,911.28

Finding the Fourth Proportional to 10,386.12, 14,333.66 and 5,911.28

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Solution

The fourth proportional to 10,386.12, 14,333.66 and 5,911.28 is: 8,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.12 : 14,333.66 = 5,911.28 : x
  2. Step 2: Convert to fraction form
    10,386.12/14,333.66 = 5,911.28/x
  3. Step 3: Cross multiply
    10,386.12x = 14,333.66 × 5,911.28
  4. Step 4: Simplify right side
    10,386.12x = 84,730,252.38
  5. Step 5: Solve for x
    x = 84,730,252.38/10,386.12
  6. Step 6: Final answer
    x = 8,158.02

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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.