Home / 42,963.36-64,444.92-11,798.64

Finding the Fourth Proportional to 42,963.36, 64,444.92 and 11,798.64

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Solution

The fourth proportional to 42,963.36, 64,444.92 and 11,798.64 is: 17,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,963.36 : 64,444.92 = 11,798.64 : x
  2. Step 2: Convert to fraction form
    42,963.36/64,444.92 = 11,798.64/x
  3. Step 3: Cross multiply
    42,963.36x = 64,444.92 × 11,798.64
  4. Step 4: Simplify right side
    42,963.36x = 760,362,410.91
  5. Step 5: Solve for x
    x = 760,362,410.91/42,963.36
  6. Step 6: Final answer
    x = 17,697.93

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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.