Home / 15,313.50-21,124.44-10,269.05

Finding the Fourth Proportional to 15,313.50, 21,124.44 and 10,269.05

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Solution

The fourth proportional to 15,313.50, 21,124.44 and 10,269.05 is: 14,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.50 : 21,124.44 = 10,269.05 : x
  2. Step 2: Convert to fraction form
    15,313.50/21,124.44 = 10,269.05/x
  3. Step 3: Cross multiply
    15,313.50x = 21,124.44 × 10,269.05
  4. Step 4: Simplify right side
    15,313.50x = 216,927,824.96
  5. Step 5: Solve for x
    x = 216,927,824.96/15,313.50
  6. Step 6: Final answer
    x = 14,165.79

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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.