Home / 19,013.02-28,521.06-5,865.40

Finding the Fourth Proportional to 19,013.02, 28,521.06 and 5,865.40

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Solution

The fourth proportional to 19,013.02, 28,521.06 and 5,865.40 is: 8,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.02 : 28,521.06 = 5,865.40 : x
  2. Step 2: Convert to fraction form
    19,013.02/28,521.06 = 5,865.40/x
  3. Step 3: Cross multiply
    19,013.02x = 28,521.06 × 5,865.40
  4. Step 4: Simplify right side
    19,013.02x = 167,287,425.32
  5. Step 5: Solve for x
    x = 167,287,425.32/19,013.02
  6. Step 6: Final answer
    x = 8,798.57

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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.