Home / 13,280.02-19,902.71-6,702.62

Finding the Fourth Proportional to 13,280.02, 19,902.71 and 6,702.62

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Solution

The fourth proportional to 13,280.02, 19,902.71 and 6,702.62 is: 10,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.02 : 19,902.71 = 6,702.62 : x
  2. Step 2: Convert to fraction form
    13,280.02/19,902.71 = 6,702.62/x
  3. Step 3: Cross multiply
    13,280.02x = 19,902.71 × 6,702.62
  4. Step 4: Simplify right side
    13,280.02x = 133,400,219.34
  5. Step 5: Solve for x
    x = 133,400,219.34/13,280.02
  6. Step 6: Final answer
    x = 10,045.18

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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.