Home / 10,345.41-15,511.64-6,831.69

Finding the Fourth Proportional to 10,345.41, 15,511.64 and 6,831.69

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Solution

The fourth proportional to 10,345.41, 15,511.64 and 6,831.69 is: 10,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.41 : 15,511.64 = 6,831.69 : x
  2. Step 2: Convert to fraction form
    10,345.41/15,511.64 = 6,831.69/x
  3. Step 3: Cross multiply
    10,345.41x = 15,511.64 × 6,831.69
  4. Step 4: Simplify right side
    10,345.41x = 105,970,681.71
  5. Step 5: Solve for x
    x = 105,970,681.71/10,345.41
  6. Step 6: Final answer
    x = 10,243.26

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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.