Home / 13,747.93-18,972.10-7,460.30

Finding the Fourth Proportional to 13,747.93, 18,972.10 and 7,460.30

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Solution

The fourth proportional to 13,747.93, 18,972.10 and 7,460.30 is: 10,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.93 : 18,972.10 = 7,460.30 : x
  2. Step 2: Convert to fraction form
    13,747.93/18,972.10 = 7,460.30/x
  3. Step 3: Cross multiply
    13,747.93x = 18,972.10 × 7,460.30
  4. Step 4: Simplify right side
    13,747.93x = 141,537,557.63
  5. Step 5: Solve for x
    x = 141,537,557.63/13,747.93
  6. Step 6: Final answer
    x = 10,295.19

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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.