Home / 14,303.39-21,435.64-10,619.51

Finding the Fourth Proportional to 14,303.39, 21,435.64 and 10,619.51

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Solution

The fourth proportional to 14,303.39, 21,435.64 and 10,619.51 is: 15,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.39 : 21,435.64 = 10,619.51 : x
  2. Step 2: Convert to fraction form
    14,303.39/21,435.64 = 10,619.51/x
  3. Step 3: Cross multiply
    14,303.39x = 21,435.64 × 10,619.51
  4. Step 4: Simplify right side
    14,303.39x = 227,635,859.61
  5. Step 5: Solve for x
    x = 227,635,859.61/14,303.39
  6. Step 6: Final answer
    x = 15,914.82

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1.5x scale

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.