Home / 14,602.40-20,153.40-8,315.36

Finding the Fourth Proportional to 14,602.40, 20,153.40 and 8,315.36

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Solution

The fourth proportional to 14,602.40, 20,153.40 and 8,315.36 is: 11,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.40 : 20,153.40 = 8,315.36 : x
  2. Step 2: Convert to fraction form
    14,602.40/20,153.40 = 8,315.36/x
  3. Step 3: Cross multiply
    14,602.40x = 20,153.40 × 8,315.36
  4. Step 4: Simplify right side
    14,602.40x = 167,582,776.22
  5. Step 5: Solve for x
    x = 167,582,776.22/14,602.40
  6. Step 6: Final answer
    x = 11,476.39

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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.