Home / 14,315.40-19,746.14-10,342.34

Finding the Fourth Proportional to 14,315.40, 19,746.14 and 10,342.34

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Solution

The fourth proportional to 14,315.40, 19,746.14 and 10,342.34 is: 14,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.40 : 19,746.14 = 10,342.34 : x
  2. Step 2: Convert to fraction form
    14,315.40/19,746.14 = 10,342.34/x
  3. Step 3: Cross multiply
    14,315.40x = 19,746.14 × 10,342.34
  4. Step 4: Simplify right side
    14,315.40x = 204,221,293.57
  5. Step 5: Solve for x
    x = 204,221,293.57/14,315.40
  6. Step 6: Final answer
    x = 14,265.85

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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.