Home / 11,423.29-15,737.01-10,860.48

Finding the Fourth Proportional to 11,423.29, 15,737.01 and 10,860.48

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Solution

The fourth proportional to 11,423.29, 15,737.01 and 10,860.48 is: 14,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.29 : 15,737.01 = 10,860.48 : x
  2. Step 2: Convert to fraction form
    11,423.29/15,737.01 = 10,860.48/x
  3. Step 3: Cross multiply
    11,423.29x = 15,737.01 × 10,860.48
  4. Step 4: Simplify right side
    11,423.29x = 170,911,482.36
  5. Step 5: Solve for x
    x = 170,911,482.36/11,423.29
  6. Step 6: Final answer
    x = 14,961.67

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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.