Home / 13,054.77-19,585.53-5,157.81

Finding the Fourth Proportional to 13,054.77, 19,585.53 and 5,157.81

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Solution

The fourth proportional to 13,054.77, 19,585.53 and 5,157.81 is: 7,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.77 : 19,585.53 = 5,157.81 : x
  2. Step 2: Convert to fraction form
    13,054.77/19,585.53 = 5,157.81/x
  3. Step 3: Cross multiply
    13,054.77x = 19,585.53 × 5,157.81
  4. Step 4: Simplify right side
    13,054.77x = 101,018,442.49
  5. Step 5: Solve for x
    x = 101,018,442.49/13,054.77
  6. Step 6: Final answer
    x = 7,738.05

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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.