Home / 19,347.64-29,018.88-8,806.30

Finding the Fourth Proportional to 19,347.64, 29,018.88 and 8,806.30

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Solution

The fourth proportional to 19,347.64, 29,018.88 and 8,806.30 is: 13,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.64 : 29,018.88 = 8,806.30 : x
  2. Step 2: Convert to fraction form
    19,347.64/29,018.88 = 8,806.30/x
  3. Step 3: Cross multiply
    19,347.64x = 29,018.88 × 8,806.30
  4. Step 4: Simplify right side
    19,347.64x = 255,548,962.94
  5. Step 5: Solve for x
    x = 255,548,962.94/19,347.64
  6. Step 6: Final answer
    x = 13,208.28

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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.