Home / 13,981.02-19,293.84-7,693.80

Finding the Fourth Proportional to 13,981.02, 19,293.84 and 7,693.80

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Solution

The fourth proportional to 13,981.02, 19,293.84 and 7,693.80 is: 10,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.02 : 19,293.84 = 7,693.80 : x
  2. Step 2: Convert to fraction form
    13,981.02/19,293.84 = 7,693.80/x
  3. Step 3: Cross multiply
    13,981.02x = 19,293.84 × 7,693.80
  4. Step 4: Simplify right side
    13,981.02x = 148,442,946.19
  5. Step 5: Solve for x
    x = 148,442,946.19/13,981.02
  6. Step 6: Final answer
    x = 10,617.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.