Home / 14,973.47-20,663.90-8,259.30

Finding the Fourth Proportional to 14,973.47, 20,663.90 and 8,259.30

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Solution

The fourth proportional to 14,973.47, 20,663.90 and 8,259.30 is: 11,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.47 : 20,663.90 = 8,259.30 : x
  2. Step 2: Convert to fraction form
    14,973.47/20,663.90 = 8,259.30/x
  3. Step 3: Cross multiply
    14,973.47x = 20,663.90 × 8,259.30
  4. Step 4: Simplify right side
    14,973.47x = 170,669,307.97
  5. Step 5: Solve for x
    x = 170,669,307.97/14,973.47
  6. Step 6: Final answer
    x = 11,398.12

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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.