Home / 14,123.63-19,490.59-7,750.26

Finding the Fourth Proportional to 14,123.63, 19,490.59 and 7,750.26

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Solution

The fourth proportional to 14,123.63, 19,490.59 and 7,750.26 is: 10,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.63 : 19,490.59 = 7,750.26 : x
  2. Step 2: Convert to fraction form
    14,123.63/19,490.59 = 7,750.26/x
  3. Step 3: Cross multiply
    14,123.63x = 19,490.59 × 7,750.26
  4. Step 4: Simplify right side
    14,123.63x = 151,057,149.74
  5. Step 5: Solve for x
    x = 151,057,149.74/14,123.63
  6. Step 6: Final answer
    x = 10,695.35

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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.