Home / 9,881.68-13,613.63-6,892.18

Finding the Fourth Proportional to 9,881.68, 13,613.63 and 6,892.18

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Solution

The fourth proportional to 9,881.68, 13,613.63 and 6,892.18 is: 9,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.68 : 13,613.63 = 6,892.18 : x
  2. Step 2: Convert to fraction form
    9,881.68/13,613.63 = 6,892.18/x
  3. Step 3: Cross multiply
    9,881.68x = 13,613.63 × 6,892.18
  4. Step 4: Simplify right side
    9,881.68x = 93,827,588.41
  5. Step 5: Solve for x
    x = 93,827,588.41/9,881.68
  6. Step 6: Final answer
    x = 9,495.10

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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.