Home / 20,598.81-30,886.47-6,556.11

Finding the Fourth Proportional to 20,598.81, 30,886.47 and 6,556.11

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Solution

The fourth proportional to 20,598.81, 30,886.47 and 6,556.11 is: 9,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.81 : 30,886.47 = 6,556.11 : x
  2. Step 2: Convert to fraction form
    20,598.81/30,886.47 = 6,556.11/x
  3. Step 3: Cross multiply
    20,598.81x = 30,886.47 × 6,556.11
  4. Step 4: Simplify right side
    20,598.81x = 202,495,094.83
  5. Step 5: Solve for x
    x = 202,495,094.83/20,598.81
  6. Step 6: Final answer
    x = 9,830.43

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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.