Home / 9,437.04-13,018.32-6,287.76

Finding the Fourth Proportional to 9,437.04, 13,018.32 and 6,287.76

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Solution

The fourth proportional to 9,437.04, 13,018.32 and 6,287.76 is: 8,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.04 : 13,018.32 = 6,287.76 : x
  2. Step 2: Convert to fraction form
    9,437.04/13,018.32 = 6,287.76/x
  3. Step 3: Cross multiply
    9,437.04x = 13,018.32 × 6,287.76
  4. Step 4: Simplify right side
    9,437.04x = 81,856,071.76
  5. Step 5: Solve for x
    x = 81,856,071.76/9,437.04
  6. Step 6: Final answer
    x = 8,673.91

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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.