Home / 19,482.96-26,888.94-12,774.18

Finding the Fourth Proportional to 19,482.96, 26,888.94 and 12,774.18

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Solution

The fourth proportional to 19,482.96, 26,888.94 and 12,774.18 is: 17,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.96 : 26,888.94 = 12,774.18 : x
  2. Step 2: Convert to fraction form
    19,482.96/26,888.94 = 12,774.18/x
  3. Step 3: Cross multiply
    19,482.96x = 26,888.94 × 12,774.18
  4. Step 4: Simplify right side
    19,482.96x = 343,484,159.57
  5. Step 5: Solve for x
    x = 343,484,159.57/19,482.96
  6. Step 6: Final answer
    x = 17,629.98

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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.