Home / 13,787.04-19,008.36-10,015.68

Finding the Fourth Proportional to 13,787.04, 19,008.36 and 10,015.68

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Solution

The fourth proportional to 13,787.04, 19,008.36 and 10,015.68 is: 13,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.04 : 19,008.36 = 10,015.68 : x
  2. Step 2: Convert to fraction form
    13,787.04/19,008.36 = 10,015.68/x
  3. Step 3: Cross multiply
    13,787.04x = 19,008.36 × 10,015.68
  4. Step 4: Simplify right side
    13,787.04x = 190,381,651.08
  5. Step 5: Solve for x
    x = 190,381,651.08/13,787.04
  6. Step 6: Final answer
    x = 13,808.74

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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.