Home / 19,326.72-28,980.91-7,486.04

Finding the Fourth Proportional to 19,326.72, 28,980.91 and 7,486.04

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Solution

The fourth proportional to 19,326.72, 28,980.91 and 7,486.04 is: 11,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.72 : 28,980.91 = 7,486.04 : x
  2. Step 2: Convert to fraction form
    19,326.72/28,980.91 = 7,486.04/x
  3. Step 3: Cross multiply
    19,326.72x = 28,980.91 × 7,486.04
  4. Step 4: Simplify right side
    19,326.72x = 216,952,069.16
  5. Step 5: Solve for x
    x = 216,952,069.16/19,326.72
  6. Step 6: Final answer
    x = 11,225.50

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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.