Home / 17,603.55-26,407.05-5,123.70

Finding the Fourth Proportional to 17,603.55, 26,407.05 and 5,123.70

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Solution

The fourth proportional to 17,603.55, 26,407.05 and 5,123.70 is: 7,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.55 : 26,407.05 = 5,123.70 : x
  2. Step 2: Convert to fraction form
    17,603.55/26,407.05 = 5,123.70/x
  3. Step 3: Cross multiply
    17,603.55x = 26,407.05 × 5,123.70
  4. Step 4: Simplify right side
    17,603.55x = 135,301,802.09
  5. Step 5: Solve for x
    x = 135,301,802.09/17,603.55
  6. Step 6: Final answer
    x = 7,686.05

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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.