Home / 14,303.92-21,455.90-5,979.38

Finding the Fourth Proportional to 14,303.92, 21,455.90 and 5,979.38

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Solution

The fourth proportional to 14,303.92, 21,455.90 and 5,979.38 is: 8,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.92 : 21,455.90 = 5,979.38 : x
  2. Step 2: Convert to fraction form
    14,303.92/21,455.90 = 5,979.38/x
  3. Step 3: Cross multiply
    14,303.92x = 21,455.90 × 5,979.38
  4. Step 4: Simplify right side
    14,303.92x = 128,292,979.34
  5. Step 5: Solve for x
    x = 128,292,979.34/14,303.92
  6. Step 6: Final answer
    x = 8,969.08

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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.