Home / 14,746.19-20,349.63-8,031.80

Finding the Fourth Proportional to 14,746.19, 20,349.63 and 8,031.80

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Solution

The fourth proportional to 14,746.19, 20,349.63 and 8,031.80 is: 11,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.19 : 20,349.63 = 8,031.80 : x
  2. Step 2: Convert to fraction form
    14,746.19/20,349.63 = 8,031.80/x
  3. Step 3: Cross multiply
    14,746.19x = 20,349.63 × 8,031.80
  4. Step 4: Simplify right side
    14,746.19x = 163,444,056.49
  5. Step 5: Solve for x
    x = 163,444,056.49/14,746.19
  6. Step 6: Final answer
    x = 11,083.82

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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.