Home / 14,666.60-21,985.50-6,871.40

Finding the Fourth Proportional to 14,666.60, 21,985.50 and 6,871.40

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Solution

The fourth proportional to 14,666.60, 21,985.50 and 6,871.40 is: 10,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.60 : 21,985.50 = 6,871.40 : x
  2. Step 2: Convert to fraction form
    14,666.60/21,985.50 = 6,871.40/x
  3. Step 3: Cross multiply
    14,666.60x = 21,985.50 × 6,871.40
  4. Step 4: Simplify right side
    14,666.60x = 151,071,164.70
  5. Step 5: Solve for x
    x = 151,071,164.70/14,666.60
  6. Step 6: Final answer
    x = 10,300.35

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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.