Home / 14,368.32-21,447.16-13,312.92

Finding the Fourth Proportional to 14,368.32, 21,447.16 and 13,312.92

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Solution

The fourth proportional to 14,368.32, 21,447.16 and 13,312.92 is: 19,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.32 : 21,447.16 = 13,312.92 : x
  2. Step 2: Convert to fraction form
    14,368.32/21,447.16 = 13,312.92/x
  3. Step 3: Cross multiply
    14,368.32x = 21,447.16 × 13,312.92
  4. Step 4: Simplify right side
    14,368.32x = 285,524,325.31
  5. Step 5: Solve for x
    x = 285,524,325.31/14,368.32
  6. Step 6: Final answer
    x = 19,871.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.