Home / 17,421.43-26,129.70-7,030.75

Finding the Fourth Proportional to 17,421.43, 26,129.70 and 7,030.75

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Solution

The fourth proportional to 17,421.43, 26,129.70 and 7,030.75 is: 10,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.43 : 26,129.70 = 7,030.75 : x
  2. Step 2: Convert to fraction form
    17,421.43/26,129.70 = 7,030.75/x
  3. Step 3: Cross multiply
    17,421.43x = 26,129.70 × 7,030.75
  4. Step 4: Simplify right side
    17,421.43x = 183,711,388.28
  5. Step 5: Solve for x
    x = 183,711,388.28/17,421.43
  6. Step 6: Final answer
    x = 10,545.14

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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.