Home / 13,315.67-19,977.71-6,295.40

Finding the Fourth Proportional to 13,315.67, 19,977.71 and 6,295.40

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Solution

The fourth proportional to 13,315.67, 19,977.71 and 6,295.40 is: 9,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.67 : 19,977.71 = 6,295.40 : x
  2. Step 2: Convert to fraction form
    13,315.67/19,977.71 = 6,295.40/x
  3. Step 3: Cross multiply
    13,315.67x = 19,977.71 × 6,295.40
  4. Step 4: Simplify right side
    13,315.67x = 125,767,675.53
  5. Step 5: Solve for x
    x = 125,767,675.53/13,315.67
  6. Step 6: Final answer
    x = 9,445.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.