Home / 18,816.24-26,000.24-13,501.72

Finding the Fourth Proportional to 18,816.24, 26,000.24 and 13,501.72

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Solution

The fourth proportional to 18,816.24, 26,000.24 and 13,501.72 is: 18,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.24 : 26,000.24 = 13,501.72 : x
  2. Step 2: Convert to fraction form
    18,816.24/26,000.24 = 13,501.72/x
  3. Step 3: Cross multiply
    18,816.24x = 26,000.24 × 13,501.72
  4. Step 4: Simplify right side
    18,816.24x = 351,047,960.41
  5. Step 5: Solve for x
    x = 351,047,960.41/18,816.24
  6. Step 6: Final answer
    x = 18,656.65

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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.