Home / 14,015.80-21,023.70-7,017.40

Finding the Fourth Proportional to 14,015.80, 21,023.70 and 7,017.40

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Solution

The fourth proportional to 14,015.80, 21,023.70 and 7,017.40 is: 10,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.80 : 21,023.70 = 7,017.40 : x
  2. Step 2: Convert to fraction form
    14,015.80/21,023.70 = 7,017.40/x
  3. Step 3: Cross multiply
    14,015.80x = 21,023.70 × 7,017.40
  4. Step 4: Simplify right side
    14,015.80x = 147,531,712.38
  5. Step 5: Solve for x
    x = 147,531,712.38/14,015.80
  6. Step 6: Final answer
    x = 10,526.10

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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.