Home / 19,347.47-29,018.92-5,308.91

Finding the Fourth Proportional to 19,347.47, 29,018.92 and 5,308.91

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Solution

The fourth proportional to 19,347.47, 29,018.92 and 5,308.91 is: 7,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.47 : 29,018.92 = 5,308.91 : x
  2. Step 2: Convert to fraction form
    19,347.47/29,018.92 = 5,308.91/x
  3. Step 3: Cross multiply
    19,347.47x = 29,018.92 × 5,308.91
  4. Step 4: Simplify right side
    19,347.47x = 154,058,834.58
  5. Step 5: Solve for x
    x = 154,058,834.58/19,347.47
  6. Step 6: Final answer
    x = 7,962.74

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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.