Home / 19,860.04-29,775.48-9,479.08

Finding the Fourth Proportional to 19,860.04, 29,775.48 and 9,479.08

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Solution

The fourth proportional to 19,860.04, 29,775.48 and 9,479.08 is: 14,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.04 : 29,775.48 = 9,479.08 : x
  2. Step 2: Convert to fraction form
    19,860.04/29,775.48 = 9,479.08/x
  3. Step 3: Cross multiply
    19,860.04x = 29,775.48 × 9,479.08
  4. Step 4: Simplify right side
    19,860.04x = 282,244,156.96
  5. Step 5: Solve for x
    x = 282,244,156.96/19,860.04
  6. Step 6: Final answer
    x = 14,211.66

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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.