Home / 14,075.77-21,084.41-6,686.05

Finding the Fourth Proportional to 14,075.77, 21,084.41 and 6,686.05

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Solution

The fourth proportional to 14,075.77, 21,084.41 and 6,686.05 is: 10,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.77 : 21,084.41 = 6,686.05 : x
  2. Step 2: Convert to fraction form
    14,075.77/21,084.41 = 6,686.05/x
  3. Step 3: Cross multiply
    14,075.77x = 21,084.41 × 6,686.05
  4. Step 4: Simplify right side
    14,075.77x = 140,971,386.05
  5. Step 5: Solve for x
    x = 140,971,386.05/14,075.77
  6. Step 6: Final answer
    x = 10,015.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.