Home / 15,683.41-23,637.85-13,518.28

Finding the Fourth Proportional to 15,683.41, 23,637.85 and 13,518.28

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Solution

The fourth proportional to 15,683.41, 23,637.85 and 13,518.28 is: 20,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.41 : 23,637.85 = 13,518.28 : x
  2. Step 2: Convert to fraction form
    15,683.41/23,637.85 = 13,518.28/x
  3. Step 3: Cross multiply
    15,683.41x = 23,637.85 × 13,518.28
  4. Step 4: Simplify right side
    15,683.41x = 319,543,074.90
  5. Step 5: Solve for x
    x = 319,543,074.90/15,683.41
  6. Step 6: Final answer
    x = 20,374.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.