Home / 9,018.93-12,446.19-5,040.21

Finding the Fourth Proportional to 9,018.93, 12,446.19 and 5,040.21

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Solution

The fourth proportional to 9,018.93, 12,446.19 and 5,040.21 is: 6,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.93 : 12,446.19 = 5,040.21 : x
  2. Step 2: Convert to fraction form
    9,018.93/12,446.19 = 5,040.21/x
  3. Step 3: Cross multiply
    9,018.93x = 12,446.19 × 5,040.21
  4. Step 4: Simplify right side
    9,018.93x = 62,731,386.10
  5. Step 5: Solve for x
    x = 62,731,386.10/9,018.93
  6. Step 6: Final answer
    x = 6,955.52

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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.