Home / 14,118.08-19,483.16-7,745.28

Finding the Fourth Proportional to 14,118.08, 19,483.16 and 7,745.28

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Solution

The fourth proportional to 14,118.08, 19,483.16 and 7,745.28 is: 10,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.08 : 19,483.16 = 7,745.28 : x
  2. Step 2: Convert to fraction form
    14,118.08/19,483.16 = 7,745.28/x
  3. Step 3: Cross multiply
    14,118.08x = 19,483.16 × 7,745.28
  4. Step 4: Simplify right side
    14,118.08x = 150,902,490.76
  5. Step 5: Solve for x
    x = 150,902,490.76/14,118.08
  6. Step 6: Final answer
    x = 10,688.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.