Home / 14,038.79-19,377.73-8,377.49

Finding the Fourth Proportional to 14,038.79, 19,377.73 and 8,377.49

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Solution

The fourth proportional to 14,038.79, 19,377.73 and 8,377.49 is: 11,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.79 : 19,377.73 = 8,377.49 : x
  2. Step 2: Convert to fraction form
    14,038.79/19,377.73 = 8,377.49/x
  3. Step 3: Cross multiply
    14,038.79x = 19,377.73 × 8,377.49
  4. Step 4: Simplify right side
    14,038.79x = 162,336,798.21
  5. Step 5: Solve for x
    x = 162,336,798.21/14,038.79
  6. Step 6: Final answer
    x = 11,563.45

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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.