Home / 13,325.49-18,391.55-7,948.26

Finding the Fourth Proportional to 13,325.49, 18,391.55 and 7,948.26

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Solution

The fourth proportional to 13,325.49, 18,391.55 and 7,948.26 is: 10,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.49 : 18,391.55 = 7,948.26 : x
  2. Step 2: Convert to fraction form
    13,325.49/18,391.55 = 7,948.26/x
  3. Step 3: Cross multiply
    13,325.49x = 18,391.55 × 7,948.26
  4. Step 4: Simplify right side
    13,325.49x = 146,180,781.46
  5. Step 5: Solve for x
    x = 146,180,781.46/13,325.49
  6. Step 6: Final answer
    x = 10,970.01

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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.