Home / 15,688.23-23,540.47-10,426.98

Finding the Fourth Proportional to 15,688.23, 23,540.47 and 10,426.98

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Solution

The fourth proportional to 15,688.23, 23,540.47 and 10,426.98 is: 15,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.23 : 23,540.47 = 10,426.98 : x
  2. Step 2: Convert to fraction form
    15,688.23/23,540.47 = 10,426.98/x
  3. Step 3: Cross multiply
    15,688.23x = 23,540.47 × 10,426.98
  4. Step 4: Simplify right side
    15,688.23x = 245,455,998.33
  5. Step 5: Solve for x
    x = 245,455,998.33/15,688.23
  6. Step 6: Final answer
    x = 15,645.87

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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.