Home / 14,075.19-19,423.49-7,787.57

Finding the Fourth Proportional to 14,075.19, 19,423.49 and 7,787.57

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Solution

The fourth proportional to 14,075.19, 19,423.49 and 7,787.57 is: 10,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.19 : 19,423.49 = 7,787.57 : x
  2. Step 2: Convert to fraction form
    14,075.19/19,423.49 = 7,787.57/x
  3. Step 3: Cross multiply
    14,075.19x = 19,423.49 × 7,787.57
  4. Step 4: Simplify right side
    14,075.19x = 151,261,651.96
  5. Step 5: Solve for x
    x = 151,261,651.96/14,075.19
  6. Step 6: Final answer
    x = 10,746.69

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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.