Home / 19,695.66-27,178.47-10,742.64

Finding the Fourth Proportional to 19,695.66, 27,178.47 and 10,742.64

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Solution

The fourth proportional to 19,695.66, 27,178.47 and 10,742.64 is: 14,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.66 : 27,178.47 = 10,742.64 : x
  2. Step 2: Convert to fraction form
    19,695.66/27,178.47 = 10,742.64/x
  3. Step 3: Cross multiply
    19,695.66x = 27,178.47 × 10,742.64
  4. Step 4: Simplify right side
    19,695.66x = 291,968,518.96
  5. Step 5: Solve for x
    x = 291,968,518.96/19,695.66
  6. Step 6: Final answer
    x = 14,824.00

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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.