Home / 17,513.40-26,270.10-9,640.20

Finding the Fourth Proportional to 17,513.40, 26,270.10 and 9,640.20

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Solution

The fourth proportional to 17,513.40, 26,270.10 and 9,640.20 is: 14,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,513.40 : 26,270.10 = 9,640.20 : x
  2. Step 2: Convert to fraction form
    17,513.40/26,270.10 = 9,640.20/x
  3. Step 3: Cross multiply
    17,513.40x = 26,270.10 × 9,640.20
  4. Step 4: Simplify right side
    17,513.40x = 253,249,018.02
  5. Step 5: Solve for x
    x = 253,249,018.02/17,513.40
  6. Step 6: Final answer
    x = 14,460.30

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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.