Home / 18,890.48-28,341.87-9,030.52

Finding the Fourth Proportional to 18,890.48, 28,341.87 and 9,030.52

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Solution

The fourth proportional to 18,890.48, 28,341.87 and 9,030.52 is: 13,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.48 : 28,341.87 = 9,030.52 : x
  2. Step 2: Convert to fraction form
    18,890.48/28,341.87 = 9,030.52/x
  3. Step 3: Cross multiply
    18,890.48x = 28,341.87 × 9,030.52
  4. Step 4: Simplify right side
    18,890.48x = 255,941,825.44
  5. Step 5: Solve for x
    x = 255,941,825.44/18,890.48
  6. Step 6: Final answer
    x = 13,548.72

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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.