Home / 9,356.16-14,031.36-4,971.20

Finding the Fourth Proportional to 9,356.16, 14,031.36 and 4,971.20

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Solution

The fourth proportional to 9,356.16, 14,031.36 and 4,971.20 is: 7,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.16 : 14,031.36 = 4,971.20 : x
  2. Step 2: Convert to fraction form
    9,356.16/14,031.36 = 4,971.20/x
  3. Step 3: Cross multiply
    9,356.16x = 14,031.36 × 4,971.20
  4. Step 4: Simplify right side
    9,356.16x = 69,752,696.83
  5. Step 5: Solve for x
    x = 69,752,696.83/9,356.16
  6. Step 6: Final answer
    x = 7,455.27

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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.