Home / 10,217.76-14,088.47-9,587.18

Finding the Fourth Proportional to 10,217.76, 14,088.47 and 9,587.18

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Solution

The fourth proportional to 10,217.76, 14,088.47 and 9,587.18 is: 13,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.76 : 14,088.47 = 9,587.18 : x
  2. Step 2: Convert to fraction form
    10,217.76/14,088.47 = 9,587.18/x
  3. Step 3: Cross multiply
    10,217.76x = 14,088.47 × 9,587.18
  4. Step 4: Simplify right side
    10,217.76x = 135,068,579.44
  5. Step 5: Solve for x
    x = 135,068,579.44/10,217.76
  6. Step 6: Final answer
    x = 13,219.00

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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.