Home / 14,290.36-21,442.02-7,369.72

Finding the Fourth Proportional to 14,290.36, 21,442.02 and 7,369.72

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Solution

The fourth proportional to 14,290.36, 21,442.02 and 7,369.72 is: 11,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.36 : 21,442.02 = 7,369.72 : x
  2. Step 2: Convert to fraction form
    14,290.36/21,442.02 = 7,369.72/x
  3. Step 3: Cross multiply
    14,290.36x = 21,442.02 × 7,369.72
  4. Step 4: Simplify right side
    14,290.36x = 158,021,683.63
  5. Step 5: Solve for x
    x = 158,021,683.63/14,290.36
  6. Step 6: Final answer
    x = 11,057.92

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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.