Home / 14,004.42-21,001.02-6,979.32

Finding the Fourth Proportional to 14,004.42, 21,001.02 and 6,979.32

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Solution

The fourth proportional to 14,004.42, 21,001.02 and 6,979.32 is: 10,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.42 : 21,001.02 = 6,979.32 : x
  2. Step 2: Convert to fraction form
    14,004.42/21,001.02 = 6,979.32/x
  3. Step 3: Cross multiply
    14,004.42x = 21,001.02 × 6,979.32
  4. Step 4: Simplify right side
    14,004.42x = 146,572,838.91
  5. Step 5: Solve for x
    x = 146,572,838.91/14,004.42
  6. Step 6: Final answer
    x = 10,466.18

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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.