Home / 12,386.04-18,574.74-5,456.76

Finding the Fourth Proportional to 12,386.04, 18,574.74 and 5,456.76

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Solution

The fourth proportional to 12,386.04, 18,574.74 and 5,456.76 is: 8,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.04 : 18,574.74 = 5,456.76 : x
  2. Step 2: Convert to fraction form
    12,386.04/18,574.74 = 5,456.76/x
  3. Step 3: Cross multiply
    12,386.04x = 18,574.74 × 5,456.76
  4. Step 4: Simplify right side
    12,386.04x = 101,357,898.24
  5. Step 5: Solve for x
    x = 101,357,898.24/12,386.04
  6. Step 6: Final answer
    x = 8,183.24

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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.