Home / 19,970.08-27,558.80-11,017.58

Finding the Fourth Proportional to 19,970.08, 27,558.80 and 11,017.58

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Solution

The fourth proportional to 19,970.08, 27,558.80 and 11,017.58 is: 15,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.08 : 27,558.80 = 11,017.58 : x
  2. Step 2: Convert to fraction form
    19,970.08/27,558.80 = 11,017.58/x
  3. Step 3: Cross multiply
    19,970.08x = 27,558.80 × 11,017.58
  4. Step 4: Simplify right side
    19,970.08x = 303,631,090.82
  5. Step 5: Solve for x
    x = 303,631,090.82/19,970.08
  6. Step 6: Final answer
    x = 15,204.30

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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.