Home / 13,300.40-19,953.30-4,536.20

Finding the Fourth Proportional to 13,300.40, 19,953.30 and 4,536.20

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Solution

The fourth proportional to 13,300.40, 19,953.30 and 4,536.20 is: 6,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.40 : 19,953.30 = 4,536.20 : x
  2. Step 2: Convert to fraction form
    13,300.40/19,953.30 = 4,536.20/x
  3. Step 3: Cross multiply
    13,300.40x = 19,953.30 × 4,536.20
  4. Step 4: Simplify right side
    13,300.40x = 90,512,159.46
  5. Step 5: Solve for x
    x = 90,512,159.46/13,300.40
  6. Step 6: Final answer
    x = 6,805.22

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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.