Home / 14,356.06-19,815.28-9,320.02

Finding the Fourth Proportional to 14,356.06, 19,815.28 and 9,320.02

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Solution

The fourth proportional to 14,356.06, 19,815.28 and 9,320.02 is: 12,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.06 : 19,815.28 = 9,320.02 : x
  2. Step 2: Convert to fraction form
    14,356.06/19,815.28 = 9,320.02/x
  3. Step 3: Cross multiply
    14,356.06x = 19,815.28 × 9,320.02
  4. Step 4: Simplify right side
    14,356.06x = 184,678,733.07
  5. Step 5: Solve for x
    x = 184,678,733.07/14,356.06
  6. Step 6: Final answer
    x = 12,864.17

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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.