Home / 10,328.04-15,479.64-5,065.74

Finding the Fourth Proportional to 10,328.04, 15,479.64 and 5,065.74

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Solution

The fourth proportional to 10,328.04, 15,479.64 and 5,065.74 is: 7,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.04 : 15,479.64 = 5,065.74 : x
  2. Step 2: Convert to fraction form
    10,328.04/15,479.64 = 5,065.74/x
  3. Step 3: Cross multiply
    10,328.04x = 15,479.64 × 5,065.74
  4. Step 4: Simplify right side
    10,328.04x = 78,415,831.53
  5. Step 5: Solve for x
    x = 78,415,831.53/10,328.04
  6. Step 6: Final answer
    x = 7,592.52

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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.