Home / 15,266.79-21,069.50-8,552.30

Finding the Fourth Proportional to 15,266.79, 21,069.50 and 8,552.30

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Solution

The fourth proportional to 15,266.79, 21,069.50 and 8,552.30 is: 11,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.79 : 21,069.50 = 8,552.30 : x
  2. Step 2: Convert to fraction form
    15,266.79/21,069.50 = 8,552.30/x
  3. Step 3: Cross multiply
    15,266.79x = 21,069.50 × 8,552.30
  4. Step 4: Simplify right side
    15,266.79x = 180,192,536.74
  5. Step 5: Solve for x
    x = 180,192,536.74/15,266.79
  6. Step 6: Final answer
    x = 11,802.91

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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.