Home / 15,428.59-23,153.28-6,664.39

Finding the Fourth Proportional to 15,428.59, 23,153.28 and 6,664.39

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Solution

The fourth proportional to 15,428.59, 23,153.28 and 6,664.39 is: 10,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.59 : 23,153.28 = 6,664.39 : x
  2. Step 2: Convert to fraction form
    15,428.59/23,153.28 = 6,664.39/x
  3. Step 3: Cross multiply
    15,428.59x = 23,153.28 × 6,664.39
  4. Step 4: Simplify right side
    15,428.59x = 154,302,487.70
  5. Step 5: Solve for x
    x = 154,302,487.70/15,428.59
  6. Step 6: Final answer
    x = 10,001.08

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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.