Home / 14,356.32-19,815.62-9,320.26

Finding the Fourth Proportional to 14,356.32, 19,815.62 and 9,320.26

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Solution

The fourth proportional to 14,356.32, 19,815.62 and 9,320.26 is: 12,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.32 : 19,815.62 = 9,320.26 : x
  2. Step 2: Convert to fraction form
    14,356.32/19,815.62 = 9,320.26/x
  3. Step 3: Cross multiply
    14,356.32x = 19,815.62 × 9,320.26
  4. Step 4: Simplify right side
    14,356.32x = 184,686,730.46
  5. Step 5: Solve for x
    x = 184,686,730.46/14,356.32
  6. Step 6: Final answer
    x = 12,864.49

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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.