Home / 22,688.39-34,009.35-7,885.14

Finding the Fourth Proportional to 22,688.39, 34,009.35 and 7,885.14

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Solution

The fourth proportional to 22,688.39, 34,009.35 and 7,885.14 is: 11,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.39 : 34,009.35 = 7,885.14 : x
  2. Step 2: Convert to fraction form
    22,688.39/34,009.35 = 7,885.14/x
  3. Step 3: Cross multiply
    22,688.39x = 34,009.35 × 7,885.14
  4. Step 4: Simplify right side
    22,688.39x = 268,168,486.06
  5. Step 5: Solve for x
    x = 268,168,486.06/22,688.39
  6. Step 6: Final answer
    x = 11,819.63

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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.