Home / 16,686.78-25,030.08-4,999.56

Finding the Fourth Proportional to 16,686.78, 25,030.08 and 4,999.56

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Solution

The fourth proportional to 16,686.78, 25,030.08 and 4,999.56 is: 7,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.78 : 25,030.08 = 4,999.56 : x
  2. Step 2: Convert to fraction form
    16,686.78/25,030.08 = 4,999.56/x
  3. Step 3: Cross multiply
    16,686.78x = 25,030.08 × 4,999.56
  4. Step 4: Simplify right side
    16,686.78x = 125,139,386.76
  5. Step 5: Solve for x
    x = 125,139,386.76/16,686.78
  6. Step 6: Final answer
    x = 7,499.31

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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.