Home / 13,328.70-19,993.59-4,569.63

Finding the Fourth Proportional to 13,328.70, 19,993.59 and 4,569.63

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Solution

The fourth proportional to 13,328.70, 19,993.59 and 4,569.63 is: 6,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.70 : 19,993.59 = 4,569.63 : x
  2. Step 2: Convert to fraction form
    13,328.70/19,993.59 = 4,569.63/x
  3. Step 3: Cross multiply
    13,328.70x = 19,993.59 × 4,569.63
  4. Step 4: Simplify right side
    13,328.70x = 91,363,308.67
  5. Step 5: Solve for x
    x = 91,363,308.67/13,328.70
  6. Step 6: Final answer
    x = 6,854.63

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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.