Home / 14,191.48-21,289.80-4,831.05

Finding the Fourth Proportional to 14,191.48, 21,289.80 and 4,831.05

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Solution

The fourth proportional to 14,191.48, 21,289.80 and 4,831.05 is: 7,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.48 : 21,289.80 = 4,831.05 : x
  2. Step 2: Convert to fraction form
    14,191.48/21,289.80 = 4,831.05/x
  3. Step 3: Cross multiply
    14,191.48x = 21,289.80 × 4,831.05
  4. Step 4: Simplify right side
    14,191.48x = 102,852,035.07
  5. Step 5: Solve for x
    x = 102,852,035.07/14,191.48
  6. Step 6: Final answer
    x = 7,247.45

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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.