Home / 13,981.92-19,303.04-9,272.60

Finding the Fourth Proportional to 13,981.92, 19,303.04 and 9,272.60

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Solution

The fourth proportional to 13,981.92, 19,303.04 and 9,272.60 is: 12,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.92 : 19,303.04 = 9,272.60 : x
  2. Step 2: Convert to fraction form
    13,981.92/19,303.04 = 9,272.60/x
  3. Step 3: Cross multiply
    13,981.92x = 19,303.04 × 9,272.60
  4. Step 4: Simplify right side
    13,981.92x = 178,989,368.70
  5. Step 5: Solve for x
    x = 178,989,368.70/13,981.92
  6. Step 6: Final answer
    x = 12,801.49

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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.