Home / 14,647.48-20,213.89-8,985.35

Finding the Fourth Proportional to 14,647.48, 20,213.89 and 8,985.35

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Solution

The fourth proportional to 14,647.48, 20,213.89 and 8,985.35 is: 12,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.48 : 20,213.89 = 8,985.35 : x
  2. Step 2: Convert to fraction form
    14,647.48/20,213.89 = 8,985.35/x
  3. Step 3: Cross multiply
    14,647.48x = 20,213.89 × 8,985.35
  4. Step 4: Simplify right side
    14,647.48x = 181,628,876.51
  5. Step 5: Solve for x
    x = 181,628,876.51/14,647.48
  6. Step 6: Final answer
    x = 12,400.01

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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.