Home / 15,237.50-21,019.29-8,863.37

Finding the Fourth Proportional to 15,237.50, 21,019.29 and 8,863.37

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Solution

The fourth proportional to 15,237.50, 21,019.29 and 8,863.37 is: 12,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.50 : 21,019.29 = 8,863.37 : x
  2. Step 2: Convert to fraction form
    15,237.50/21,019.29 = 8,863.37/x
  3. Step 3: Cross multiply
    15,237.50x = 21,019.29 × 8,863.37
  4. Step 4: Simplify right side
    15,237.50x = 186,301,803.13
  5. Step 5: Solve for x
    x = 186,301,803.13/15,237.50
  6. Step 6: Final answer
    x = 12,226.53

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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.