Home / 9,938.70-13,707.36-6,159.24

Finding the Fourth Proportional to 9,938.70, 13,707.36 and 6,159.24

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Solution

The fourth proportional to 9,938.70, 13,707.36 and 6,159.24 is: 8,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.70 : 13,707.36 = 6,159.24 : x
  2. Step 2: Convert to fraction form
    9,938.70/13,707.36 = 6,159.24/x
  3. Step 3: Cross multiply
    9,938.70x = 13,707.36 × 6,159.24
  4. Step 4: Simplify right side
    9,938.70x = 84,426,920.01
  5. Step 5: Solve for x
    x = 84,426,920.01/9,938.70
  6. Step 6: Final answer
    x = 8,494.76

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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.