Home / 19,787.79-27,307.47-10,835.13

Finding the Fourth Proportional to 19,787.79, 27,307.47 and 10,835.13

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Solution

The fourth proportional to 19,787.79, 27,307.47 and 10,835.13 is: 14,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.79 : 27,307.47 = 10,835.13 : x
  2. Step 2: Convert to fraction form
    19,787.79/27,307.47 = 10,835.13/x
  3. Step 3: Cross multiply
    19,787.79x = 27,307.47 × 10,835.13
  4. Step 4: Simplify right side
    19,787.79x = 295,879,987.42
  5. Step 5: Solve for x
    x = 295,879,987.42/19,787.79
  6. Step 6: Final answer
    x = 14,952.65

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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.