Home / 14,011.04-21,009.42-4,647.72

Finding the Fourth Proportional to 14,011.04, 21,009.42 and 4,647.72

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Solution

The fourth proportional to 14,011.04, 21,009.42 and 4,647.72 is: 6,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.04 : 21,009.42 = 4,647.72 : x
  2. Step 2: Convert to fraction form
    14,011.04/21,009.42 = 4,647.72/x
  3. Step 3: Cross multiply
    14,011.04x = 21,009.42 × 4,647.72
  4. Step 4: Simplify right side
    14,011.04x = 97,645,901.52
  5. Step 5: Solve for x
    x = 97,645,901.52/14,011.04
  6. Step 6: Final answer
    x = 6,969.21

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1.5x scale

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.