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Finding the Fourth Proportional to 17,702.40, 26,570.02 and 8,943.46

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Solution

The fourth proportional to 17,702.40, 26,570.02 and 8,943.46 is: 13,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.40 : 26,570.02 = 8,943.46 : x
  2. Step 2: Convert to fraction form
    17,702.40/26,570.02 = 8,943.46/x
  3. Step 3: Cross multiply
    17,702.40x = 26,570.02 × 8,943.46
  4. Step 4: Simplify right side
    17,702.40x = 237,627,911.07
  5. Step 5: Solve for x
    x = 237,627,911.07/17,702.40
  6. Step 6: Final answer
    x = 13,423.49

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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.