Home / 15,583.86-23,345.55-13,838.58

Finding the Fourth Proportional to 15,583.86, 23,345.55 and 13,838.58

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Solution

The fourth proportional to 15,583.86, 23,345.55 and 13,838.58 is: 20,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.86 : 23,345.55 = 13,838.58 : x
  2. Step 2: Convert to fraction form
    15,583.86/23,345.55 = 13,838.58/x
  3. Step 3: Cross multiply
    15,583.86x = 23,345.55 × 13,838.58
  4. Step 4: Simplify right side
    15,583.86x = 323,069,261.32
  5. Step 5: Solve for x
    x = 323,069,261.32/15,583.86
  6. Step 6: Final answer
    x = 20,731.02

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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.