Home / 13,307.16-19,964.16-4,987.29

Finding the Fourth Proportional to 13,307.16, 19,964.16 and 4,987.29

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Solution

The fourth proportional to 13,307.16, 19,964.16 and 4,987.29 is: 7,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.16 : 19,964.16 = 4,987.29 : x
  2. Step 2: Convert to fraction form
    13,307.16/19,964.16 = 4,987.29/x
  3. Step 3: Cross multiply
    13,307.16x = 19,964.16 × 4,987.29
  4. Step 4: Simplify right side
    13,307.16x = 99,567,055.53
  5. Step 5: Solve for x
    x = 99,567,055.53/13,307.16
  6. Step 6: Final answer
    x = 7,482.22

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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.