Home / 19,113.46-28,689.63-13,573.06

Finding the Fourth Proportional to 19,113.46, 28,689.63 and 13,573.06

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Solution

The fourth proportional to 19,113.46, 28,689.63 and 13,573.06 is: 20,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.46 : 28,689.63 = 13,573.06 : x
  2. Step 2: Convert to fraction form
    19,113.46/28,689.63 = 13,573.06/x
  3. Step 3: Cross multiply
    19,113.46x = 28,689.63 × 13,573.06
  4. Step 4: Simplify right side
    19,113.46x = 389,406,069.37
  5. Step 5: Solve for x
    x = 389,406,069.37/19,113.46
  6. Step 6: Final answer
    x = 20,373.39

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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.