Home / 15,808.94-21,814.35-9,842.52

Finding the Fourth Proportional to 15,808.94, 21,814.35 and 9,842.52

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Solution

The fourth proportional to 15,808.94, 21,814.35 and 9,842.52 is: 13,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.94 : 21,814.35 = 9,842.52 : x
  2. Step 2: Convert to fraction form
    15,808.94/21,814.35 = 9,842.52/x
  3. Step 3: Cross multiply
    15,808.94x = 21,814.35 × 9,842.52
  4. Step 4: Simplify right side
    15,808.94x = 214,708,176.16
  5. Step 5: Solve for x
    x = 214,708,176.16/15,808.94
  6. Step 6: Final answer
    x = 13,581.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.