Home / 17,437.40-26,117.70-9,219.80

Finding the Fourth Proportional to 17,437.40, 26,117.70 and 9,219.80

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Solution

The fourth proportional to 17,437.40, 26,117.70 and 9,219.80 is: 13,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,437.40 : 26,117.70 = 9,219.80 : x
  2. Step 2: Convert to fraction form
    17,437.40/26,117.70 = 9,219.80/x
  3. Step 3: Cross multiply
    17,437.40x = 26,117.70 × 9,219.80
  4. Step 4: Simplify right side
    17,437.40x = 240,799,970.46
  5. Step 5: Solve for x
    x = 240,799,970.46/17,437.40
  6. Step 6: Final answer
    x = 13,809.40

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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.