Home / 14,518.94-20,038.41-8,148.11

Finding the Fourth Proportional to 14,518.94, 20,038.41 and 8,148.11

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Solution

The fourth proportional to 14,518.94, 20,038.41 and 8,148.11 is: 11,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.94 : 20,038.41 = 8,148.11 : x
  2. Step 2: Convert to fraction form
    14,518.94/20,038.41 = 8,148.11/x
  3. Step 3: Cross multiply
    14,518.94x = 20,038.41 × 8,148.11
  4. Step 4: Simplify right side
    14,518.94x = 163,275,068.71
  5. Step 5: Solve for x
    x = 163,275,068.71/14,518.94
  6. Step 6: Final answer
    x = 11,245.66

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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.