Home / 17,660.48-26,490.33-7,130.21

Finding the Fourth Proportional to 17,660.48, 26,490.33 and 7,130.21

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Solution

The fourth proportional to 17,660.48, 26,490.33 and 7,130.21 is: 10,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.48 : 26,490.33 = 7,130.21 : x
  2. Step 2: Convert to fraction form
    17,660.48/26,490.33 = 7,130.21/x
  3. Step 3: Cross multiply
    17,660.48x = 26,490.33 × 7,130.21
  4. Step 4: Simplify right side
    17,660.48x = 188,881,483.42
  5. Step 5: Solve for x
    x = 188,881,483.42/17,660.48
  6. Step 6: Final answer
    x = 10,695.15

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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.