Home / 12,637.00-18,955.57-5,615.36

Finding the Fourth Proportional to 12,637.00, 18,955.57 and 5,615.36

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Solution

The fourth proportional to 12,637.00, 18,955.57 and 5,615.36 is: 8,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.00 : 18,955.57 = 5,615.36 : x
  2. Step 2: Convert to fraction form
    12,637.00/18,955.57 = 5,615.36/x
  3. Step 3: Cross multiply
    12,637.00x = 18,955.57 × 5,615.36
  4. Step 4: Simplify right side
    12,637.00x = 106,442,378.95
  5. Step 5: Solve for x
    x = 106,442,378.95/12,637.00
  6. Step 6: Final answer
    x = 8,423.08

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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.