Home / 19,685.76-29,514.48-9,291.84

Finding the Fourth Proportional to 19,685.76, 29,514.48 and 9,291.84

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Solution

The fourth proportional to 19,685.76, 29,514.48 and 9,291.84 is: 13,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.76 : 29,514.48 = 9,291.84 : x
  2. Step 2: Convert to fraction form
    19,685.76/29,514.48 = 9,291.84/x
  3. Step 3: Cross multiply
    19,685.76x = 29,514.48 × 9,291.84
  4. Step 4: Simplify right side
    19,685.76x = 274,243,825.84
  5. Step 5: Solve for x
    x = 274,243,825.84/19,685.76
  6. Step 6: Final answer
    x = 13,931.08

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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.