Home / 21,068.46-29,075.16-11,637.18

Finding the Fourth Proportional to 21,068.46, 29,075.16 and 11,637.18

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Solution

The fourth proportional to 21,068.46, 29,075.16 and 11,637.18 is: 16,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068.46 : 29,075.16 = 11,637.18 : x
  2. Step 2: Convert to fraction form
    21,068.46/29,075.16 = 11,637.18/x
  3. Step 3: Cross multiply
    21,068.46x = 29,075.16 × 11,637.18
  4. Step 4: Simplify right side
    21,068.46x = 338,352,870.45
  5. Step 5: Solve for x
    x = 338,352,870.45/21,068.46
  6. Step 6: Final answer
    x = 16,059.69

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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.