Home / 14,287.56-21,445.16-6,897.22

Finding the Fourth Proportional to 14,287.56, 21,445.16 and 6,897.22

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Solution

The fourth proportional to 14,287.56, 21,445.16 and 6,897.22 is: 10,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.56 : 21,445.16 = 6,897.22 : x
  2. Step 2: Convert to fraction form
    14,287.56/21,445.16 = 6,897.22/x
  3. Step 3: Cross multiply
    14,287.56x = 21,445.16 × 6,897.22
  4. Step 4: Simplify right side
    14,287.56x = 147,911,986.46
  5. Step 5: Solve for x
    x = 147,911,986.46/14,287.56
  6. Step 6: Final answer
    x = 10,352.50

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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.