Home / 10,345.74-15,509.79-4,104.30

Finding the Fourth Proportional to 10,345.74, 15,509.79 and 4,104.30

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Solution

The fourth proportional to 10,345.74, 15,509.79 and 4,104.30 is: 6,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.74 : 15,509.79 = 4,104.30 : x
  2. Step 2: Convert to fraction form
    10,345.74/15,509.79 = 4,104.30/x
  3. Step 3: Cross multiply
    10,345.74x = 15,509.79 × 4,104.30
  4. Step 4: Simplify right side
    10,345.74x = 63,656,831.10
  5. Step 5: Solve for x
    x = 63,656,831.10/10,345.74
  6. Step 6: Final answer
    x = 6,152.95

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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.