Home / 14,409.63-19,726.81-14,312.43

Finding the Fourth Proportional to 14,409.63, 19,726.81 and 14,312.43

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Solution

The fourth proportional to 14,409.63, 19,726.81 and 14,312.43 is: 19,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.63 : 19,726.81 = 14,312.43 : x
  2. Step 2: Convert to fraction form
    14,409.63/19,726.81 = 14,312.43/x
  3. Step 3: Cross multiply
    14,409.63x = 19,726.81 × 14,312.43
  4. Step 4: Simplify right side
    14,409.63x = 282,338,551.47
  5. Step 5: Solve for x
    x = 282,338,551.47/14,409.63
  6. Step 6: Final answer
    x = 19,593.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.