Home / 13,256.12-19,866.54-7,014.80

Finding the Fourth Proportional to 13,256.12, 19,866.54 and 7,014.80

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Solution

The fourth proportional to 13,256.12, 19,866.54 and 7,014.80 is: 10,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.12 : 19,866.54 = 7,014.80 : x
  2. Step 2: Convert to fraction form
    13,256.12/19,866.54 = 7,014.80/x
  3. Step 3: Cross multiply
    13,256.12x = 19,866.54 × 7,014.80
  4. Step 4: Simplify right side
    13,256.12x = 139,359,804.79
  5. Step 5: Solve for x
    x = 139,359,804.79/13,256.12
  6. Step 6: Final answer
    x = 10,512.87

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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.