Home / 13,012.47-17,957.30-7,269.93

Finding the Fourth Proportional to 13,012.47, 17,957.30 and 7,269.93

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Solution

The fourth proportional to 13,012.47, 17,957.30 and 7,269.93 is: 10,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.47 : 17,957.30 = 7,269.93 : x
  2. Step 2: Convert to fraction form
    13,012.47/17,957.30 = 7,269.93/x
  3. Step 3: Cross multiply
    13,012.47x = 17,957.30 × 7,269.93
  4. Step 4: Simplify right side
    13,012.47x = 130,548,313.99
  5. Step 5: Solve for x
    x = 130,548,313.99/13,012.47
  6. Step 6: Final answer
    x = 10,032.55

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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.