Home / 19,485.01-26,886.67-10,986.49

Finding the Fourth Proportional to 19,485.01, 26,886.67 and 10,986.49

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Solution

The fourth proportional to 19,485.01, 26,886.67 and 10,986.49 is: 15,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.01 : 26,886.67 = 10,986.49 : x
  2. Step 2: Convert to fraction form
    19,485.01/26,886.67 = 10,986.49/x
  3. Step 3: Cross multiply
    19,485.01x = 26,886.67 × 10,986.49
  4. Step 4: Simplify right side
    19,485.01x = 295,390,131.09
  5. Step 5: Solve for x
    x = 295,390,131.09/19,485.01
  6. Step 6: Final answer
    x = 15,159.87

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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.