Home / 10,831.79-14,941.63-6,521.88

Finding the Fourth Proportional to 10,831.79, 14,941.63 and 6,521.88

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Solution

The fourth proportional to 10,831.79, 14,941.63 and 6,521.88 is: 8,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.79 : 14,941.63 = 6,521.88 : x
  2. Step 2: Convert to fraction form
    10,831.79/14,941.63 = 6,521.88/x
  3. Step 3: Cross multiply
    10,831.79x = 14,941.63 × 6,521.88
  4. Step 4: Simplify right side
    10,831.79x = 97,447,485.26
  5. Step 5: Solve for x
    x = 97,447,485.26/10,831.79
  6. Step 6: Final answer
    x = 8,996.44

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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.