Home / 19,769.32-27,280.56-10,816.12

Finding the Fourth Proportional to 19,769.32, 27,280.56 and 10,816.12

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Solution

The fourth proportional to 19,769.32, 27,280.56 and 10,816.12 is: 14,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.32 : 27,280.56 = 10,816.12 : x
  2. Step 2: Convert to fraction form
    19,769.32/27,280.56 = 10,816.12/x
  3. Step 3: Cross multiply
    19,769.32x = 27,280.56 × 10,816.12
  4. Step 4: Simplify right side
    19,769.32x = 295,069,810.63
  5. Step 5: Solve for x
    x = 295,069,810.63/19,769.32
  6. Step 6: Final answer
    x = 14,925.64

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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.