Home / 19,612.06-27,068.56-12,450.51

Finding the Fourth Proportional to 19,612.06, 27,068.56 and 12,450.51

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Solution

The fourth proportional to 19,612.06, 27,068.56 and 12,450.51 is: 17,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.06 : 27,068.56 = 12,450.51 : x
  2. Step 2: Convert to fraction form
    19,612.06/27,068.56 = 12,450.51/x
  3. Step 3: Cross multiply
    19,612.06x = 27,068.56 × 12,450.51
  4. Step 4: Simplify right side
    19,612.06x = 337,017,345.84
  5. Step 5: Solve for x
    x = 337,017,345.84/19,612.06
  6. Step 6: Final answer
    x = 17,184.19

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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.