Home / 19,651.02-27,118.47-10,698.60

Finding the Fourth Proportional to 19,651.02, 27,118.47 and 10,698.60

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Solution

The fourth proportional to 19,651.02, 27,118.47 and 10,698.60 is: 14,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.02 : 27,118.47 = 10,698.60 : x
  2. Step 2: Convert to fraction form
    19,651.02/27,118.47 = 10,698.60/x
  3. Step 3: Cross multiply
    19,651.02x = 27,118.47 × 10,698.60
  4. Step 4: Simplify right side
    19,651.02x = 290,129,663.14
  5. Step 5: Solve for x
    x = 290,129,663.14/19,651.02
  6. Step 6: Final answer
    x = 14,764.10

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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.