Home / 14,020.08-21,027.48-5,253.12

Finding the Fourth Proportional to 14,020.08, 21,027.48 and 5,253.12

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Solution

The fourth proportional to 14,020.08, 21,027.48 and 5,253.12 is: 7,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.08 : 21,027.48 = 5,253.12 : x
  2. Step 2: Convert to fraction form
    14,020.08/21,027.48 = 5,253.12/x
  3. Step 3: Cross multiply
    14,020.08x = 21,027.48 × 5,253.12
  4. Step 4: Simplify right side
    14,020.08x = 110,459,875.74
  5. Step 5: Solve for x
    x = 110,459,875.74/14,020.08
  6. Step 6: Final answer
    x = 7,878.69

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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.