Home / 15,266.51-21,069.08-8,552.05

Finding the Fourth Proportional to 15,266.51, 21,069.08 and 8,552.05

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Solution

The fourth proportional to 15,266.51, 21,069.08 and 8,552.05 is: 11,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.51 : 21,069.08 = 8,552.05 : x
  2. Step 2: Convert to fraction form
    15,266.51/21,069.08 = 8,552.05/x
  3. Step 3: Cross multiply
    15,266.51x = 21,069.08 × 8,552.05
  4. Step 4: Simplify right side
    15,266.51x = 180,183,762.25
  5. Step 5: Solve for x
    x = 180,183,762.25/15,266.51
  6. Step 6: Final answer
    x = 11,802.55

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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.