Home / 14,055.58-21,075.40-4,690.51

Finding the Fourth Proportional to 14,055.58, 21,075.40 and 4,690.51

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Solution

The fourth proportional to 14,055.58, 21,075.40 and 4,690.51 is: 7,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.58 : 21,075.40 = 4,690.51 : x
  2. Step 2: Convert to fraction form
    14,055.58/21,075.40 = 4,690.51/x
  3. Step 3: Cross multiply
    14,055.58x = 21,075.40 × 4,690.51
  4. Step 4: Simplify right side
    14,055.58x = 98,854,377.35
  5. Step 5: Solve for x
    x = 98,854,377.35/14,055.58
  6. Step 6: Final answer
    x = 7,033.11

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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.