Home / 19,482.40-26,888.19-12,773.68

Finding the Fourth Proportional to 19,482.40, 26,888.19 and 12,773.68

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Solution

The fourth proportional to 19,482.40, 26,888.19 and 12,773.68 is: 17,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.40 : 26,888.19 = 12,773.68 : x
  2. Step 2: Convert to fraction form
    19,482.40/26,888.19 = 12,773.68/x
  3. Step 3: Cross multiply
    19,482.40x = 26,888.19 × 12,773.68
  4. Step 4: Simplify right side
    19,482.40x = 343,461,134.84
  5. Step 5: Solve for x
    x = 343,461,134.84/19,482.40
  6. Step 6: Final answer
    x = 17,629.30

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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.