Home / 15,482.03-21,316.64-13,663.17

Finding the Fourth Proportional to 15,482.03, 21,316.64 and 13,663.17

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Solution

The fourth proportional to 15,482.03, 21,316.64 and 13,663.17 is: 18,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.03 : 21,316.64 = 13,663.17 : x
  2. Step 2: Convert to fraction form
    15,482.03/21,316.64 = 13,663.17/x
  3. Step 3: Cross multiply
    15,482.03x = 21,316.64 × 13,663.17
  4. Step 4: Simplify right side
    15,482.03x = 291,252,807.83
  5. Step 5: Solve for x
    x = 291,252,807.83/15,482.03
  6. Step 6: Final answer
    x = 18,812.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.