Home / 13,052.96-18,011.76-7,386.56

Finding the Fourth Proportional to 13,052.96, 18,011.76 and 7,386.56

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Solution

The fourth proportional to 13,052.96, 18,011.76 and 7,386.56 is: 10,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.96 : 18,011.76 = 7,386.56 : x
  2. Step 2: Convert to fraction form
    13,052.96/18,011.76 = 7,386.56/x
  3. Step 3: Cross multiply
    13,052.96x = 18,011.76 × 7,386.56
  4. Step 4: Simplify right side
    13,052.96x = 133,044,945.95
  5. Step 5: Solve for x
    x = 133,044,945.95/13,052.96
  6. Step 6: Final answer
    x = 10,192.70

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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.