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Finding the Fourth Proportional to 17,363.21, 23,959.80 and 9,810.19

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Solution

The fourth proportional to 17,363.21, 23,959.80 and 9,810.19 is: 13,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,363.21 : 23,959.80 = 9,810.19 : x
  2. Step 2: Convert to fraction form
    17,363.21/23,959.80 = 9,810.19/x
  3. Step 3: Cross multiply
    17,363.21x = 23,959.80 × 9,810.19
  4. Step 4: Simplify right side
    17,363.21x = 235,050,130.46
  5. Step 5: Solve for x
    x = 235,050,130.46/17,363.21
  6. Step 6: Final answer
    x = 13,537.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.