Home / 14,041.96-21,070.56-5,276.20

Finding the Fourth Proportional to 14,041.96, 21,070.56 and 5,276.20

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Solution

The fourth proportional to 14,041.96, 21,070.56 and 5,276.20 is: 7,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.96 : 21,070.56 = 5,276.20 : x
  2. Step 2: Convert to fraction form
    14,041.96/21,070.56 = 5,276.20/x
  3. Step 3: Cross multiply
    14,041.96x = 21,070.56 × 5,276.20
  4. Step 4: Simplify right side
    14,041.96x = 111,172,488.67
  5. Step 5: Solve for x
    x = 111,172,488.67/14,041.96
  6. Step 6: Final answer
    x = 7,917.16

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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.