Home / 17,988.06-26,970.38-7,455.18

Finding the Fourth Proportional to 17,988.06, 26,970.38 and 7,455.18

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Solution

The fourth proportional to 17,988.06, 26,970.38 and 7,455.18 is: 11,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.06 : 26,970.38 = 7,455.18 : x
  2. Step 2: Convert to fraction form
    17,988.06/26,970.38 = 7,455.18/x
  3. Step 3: Cross multiply
    17,988.06x = 26,970.38 × 7,455.18
  4. Step 4: Simplify right side
    17,988.06x = 201,069,037.57
  5. Step 5: Solve for x
    x = 201,069,037.57/17,988.06
  6. Step 6: Final answer
    x = 11,177.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.