Home / 12,036.59-18,055.13-4,139.01

Finding the Fourth Proportional to 12,036.59, 18,055.13 and 4,139.01

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Solution

The fourth proportional to 12,036.59, 18,055.13 and 4,139.01 is: 6,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.59 : 18,055.13 = 4,139.01 : x
  2. Step 2: Convert to fraction form
    12,036.59/18,055.13 = 4,139.01/x
  3. Step 3: Cross multiply
    12,036.59x = 18,055.13 × 4,139.01
  4. Step 4: Simplify right side
    12,036.59x = 74,730,342.93
  5. Step 5: Solve for x
    x = 74,730,342.93/12,036.59
  6. Step 6: Final answer
    x = 6,208.60

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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.