Home / 15,127.04-20,873.71-8,411.58

Finding the Fourth Proportional to 15,127.04, 20,873.71 and 8,411.58

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Solution

The fourth proportional to 15,127.04, 20,873.71 and 8,411.58 is: 11,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.04 : 20,873.71 = 8,411.58 : x
  2. Step 2: Convert to fraction form
    15,127.04/20,873.71 = 8,411.58/x
  3. Step 3: Cross multiply
    15,127.04x = 20,873.71 × 8,411.58
  4. Step 4: Simplify right side
    15,127.04x = 175,580,903.91
  5. Step 5: Solve for x
    x = 175,580,903.91/15,127.04
  6. Step 6: Final answer
    x = 11,607.09

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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.