Home / 13,116.16-19,670.93-3,756.24

Finding the Fourth Proportional to 13,116.16, 19,670.93 and 3,756.24

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Solution

The fourth proportional to 13,116.16, 19,670.93 and 3,756.24 is: 5,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.16 : 19,670.93 = 3,756.24 : x
  2. Step 2: Convert to fraction form
    13,116.16/19,670.93 = 3,756.24/x
  3. Step 3: Cross multiply
    13,116.16x = 19,670.93 × 3,756.24
  4. Step 4: Simplify right side
    13,116.16x = 73,888,734.10
  5. Step 5: Solve for x
    x = 73,888,734.10/13,116.16
  6. Step 6: Final answer
    x = 5,633.41

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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.