Home / 14,345.76-21,507.04-6,143.52

Finding the Fourth Proportional to 14,345.76, 21,507.04 and 6,143.52

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Solution

The fourth proportional to 14,345.76, 21,507.04 and 6,143.52 is: 9,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.76 : 21,507.04 = 6,143.52 : x
  2. Step 2: Convert to fraction form
    14,345.76/21,507.04 = 6,143.52/x
  3. Step 3: Cross multiply
    14,345.76x = 21,507.04 × 6,143.52
  4. Step 4: Simplify right side
    14,345.76x = 132,128,930.38
  5. Step 5: Solve for x
    x = 132,128,930.38/14,345.76
  6. Step 6: Final answer
    x = 9,210.31

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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.