Home / 12,045.19-18,055.42-4,646.74

Finding the Fourth Proportional to 12,045.19, 18,055.42 and 4,646.74

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Solution

The fourth proportional to 12,045.19, 18,055.42 and 4,646.74 is: 6,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.19 : 18,055.42 = 4,646.74 : x
  2. Step 2: Convert to fraction form
    12,045.19/18,055.42 = 4,646.74/x
  3. Step 3: Cross multiply
    12,045.19x = 18,055.42 × 4,646.74
  4. Step 4: Simplify right side
    12,045.19x = 83,898,752.05
  5. Step 5: Solve for x
    x = 83,898,752.05/12,045.19
  6. Step 6: Final answer
    x = 6,965.34

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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.