Home / 14,352.80-21,423.59-13,325.72

Finding the Fourth Proportional to 14,352.80, 21,423.59 and 13,325.72

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Solution

The fourth proportional to 14,352.80, 21,423.59 and 13,325.72 is: 19,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.80 : 21,423.59 = 13,325.72 : x
  2. Step 2: Convert to fraction form
    14,352.80/21,423.59 = 13,325.72/x
  3. Step 3: Cross multiply
    14,352.80x = 21,423.59 × 13,325.72
  4. Step 4: Simplify right side
    14,352.80x = 285,484,637.96
  5. Step 5: Solve for x
    x = 285,484,637.96/14,352.80
  6. Step 6: Final answer
    x = 19,890.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.