Home / 11,248.34-16,908.93-10,436.72

Finding the Fourth Proportional to 11,248.34, 16,908.93 and 10,436.72

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Solution

The fourth proportional to 11,248.34, 16,908.93 and 10,436.72 is: 15,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.34 : 16,908.93 = 10,436.72 : x
  2. Step 2: Convert to fraction form
    11,248.34/16,908.93 = 10,436.72/x
  3. Step 3: Cross multiply
    11,248.34x = 16,908.93 × 10,436.72
  4. Step 4: Simplify right side
    11,248.34x = 176,473,683.36
  5. Step 5: Solve for x
    x = 176,473,683.36/11,248.34
  6. Step 6: Final answer
    x = 15,688.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.