Home / 14,030.32-21,044.04-8,820.40

Finding the Fourth Proportional to 14,030.32, 21,044.04 and 8,820.40

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Solution

The fourth proportional to 14,030.32, 21,044.04 and 8,820.40 is: 13,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.32 : 21,044.04 = 8,820.40 : x
  2. Step 2: Convert to fraction form
    14,030.32/21,044.04 = 8,820.40/x
  3. Step 3: Cross multiply
    14,030.32x = 21,044.04 × 8,820.40
  4. Step 4: Simplify right side
    14,030.32x = 185,616,850.42
  5. Step 5: Solve for x
    x = 185,616,850.42/14,030.32
  6. Step 6: Final answer
    x = 13,229.69

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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.