Home / 10,754.43-14,853.69-9,808.58

Finding the Fourth Proportional to 10,754.43, 14,853.69 and 9,808.58

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Solution

The fourth proportional to 10,754.43, 14,853.69 and 9,808.58 is: 13,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.43 : 14,853.69 = 9,808.58 : x
  2. Step 2: Convert to fraction form
    10,754.43/14,853.69 = 9,808.58/x
  3. Step 3: Cross multiply
    10,754.43x = 14,853.69 × 9,808.58
  4. Step 4: Simplify right side
    10,754.43x = 145,693,532.39
  5. Step 5: Solve for x
    x = 145,693,532.39/10,754.43
  6. Step 6: Final answer
    x = 13,547.30

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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.