Home / 15,482.03-21,365.69-8,767.50

Finding the Fourth Proportional to 15,482.03, 21,365.69 and 8,767.50

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Solution

The fourth proportional to 15,482.03, 21,365.69 and 8,767.50 is: 12,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.03 : 21,365.69 = 8,767.50 : x
  2. Step 2: Convert to fraction form
    15,482.03/21,365.69 = 8,767.50/x
  3. Step 3: Cross multiply
    15,482.03x = 21,365.69 × 8,767.50
  4. Step 4: Simplify right side
    15,482.03x = 187,323,643.24
  5. Step 5: Solve for x
    x = 187,323,643.24/15,482.03
  6. Step 6: Final answer
    x = 12,099.43

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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.