Home / 14,038.30-21,052.32-5,270.86

Finding the Fourth Proportional to 14,038.30, 21,052.32 and 5,270.86

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Solution

The fourth proportional to 14,038.30, 21,052.32 and 5,270.86 is: 7,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.30 : 21,052.32 = 5,270.86 : x
  2. Step 2: Convert to fraction form
    14,038.30/21,052.32 = 5,270.86/x
  3. Step 3: Cross multiply
    14,038.30x = 21,052.32 × 5,270.86
  4. Step 4: Simplify right side
    14,038.30x = 110,963,831.40
  5. Step 5: Solve for x
    x = 110,963,831.40/14,038.30
  6. Step 6: Final answer
    x = 7,904.36

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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.