Home / 14,257.80-21,386.70-13,492.35

Finding the Fourth Proportional to 14,257.80, 21,386.70 and 13,492.35

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Solution

The fourth proportional to 14,257.80, 21,386.70 and 13,492.35 is: 20,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.80 : 21,386.70 = 13,492.35 : x
  2. Step 2: Convert to fraction form
    14,257.80/21,386.70 = 13,492.35/x
  3. Step 3: Cross multiply
    14,257.80x = 21,386.70 × 13,492.35
  4. Step 4: Simplify right side
    14,257.80x = 288,556,841.75
  5. Step 5: Solve for x
    x = 288,556,841.75/14,257.80
  6. Step 6: Final answer
    x = 20,238.53

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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.