Home / 14,299.47-19,689.21-12,703.32

Finding the Fourth Proportional to 14,299.47, 19,689.21 and 12,703.32

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Solution

The fourth proportional to 14,299.47, 19,689.21 and 12,703.32 is: 17,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.47 : 19,689.21 = 12,703.32 : x
  2. Step 2: Convert to fraction form
    14,299.47/19,689.21 = 12,703.32/x
  3. Step 3: Cross multiply
    14,299.47x = 19,689.21 × 12,703.32
  4. Step 4: Simplify right side
    14,299.47x = 250,118,335.18
  5. Step 5: Solve for x
    x = 250,118,335.18/14,299.47
  6. Step 6: Final answer
    x = 17,491.44

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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.