Home / 9,429.48-14,139.36-6,472.44

Finding the Fourth Proportional to 9,429.48, 14,139.36 and 6,472.44

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Solution

The fourth proportional to 9,429.48, 14,139.36 and 6,472.44 is: 9,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.48 : 14,139.36 = 6,472.44 : x
  2. Step 2: Convert to fraction form
    9,429.48/14,139.36 = 6,472.44/x
  3. Step 3: Cross multiply
    9,429.48x = 14,139.36 × 6,472.44
  4. Step 4: Simplify right side
    9,429.48x = 91,516,159.24
  5. Step 5: Solve for x
    x = 91,516,159.24/9,429.48
  6. Step 6: Final answer
    x = 9,705.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.