Home / 10,831.80-14,946.40-6,051.15

Finding the Fourth Proportional to 10,831.80, 14,946.40 and 6,051.15

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Solution

The fourth proportional to 10,831.80, 14,946.40 and 6,051.15 is: 8,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.80 : 14,946.40 = 6,051.15 : x
  2. Step 2: Convert to fraction form
    10,831.80/14,946.40 = 6,051.15/x
  3. Step 3: Cross multiply
    10,831.80x = 14,946.40 × 6,051.15
  4. Step 4: Simplify right side
    10,831.80x = 90,442,908.36
  5. Step 5: Solve for x
    x = 90,442,908.36/10,831.80
  6. Step 6: Final answer
    x = 8,349.76

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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.