Home / 21,062.36-31,582.98-7,017.46

Finding the Fourth Proportional to 21,062.36, 31,582.98 and 7,017.46

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Solution

The fourth proportional to 21,062.36, 31,582.98 and 7,017.46 is: 10,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.36 : 31,582.98 = 7,017.46 : x
  2. Step 2: Convert to fraction form
    21,062.36/31,582.98 = 7,017.46/x
  3. Step 3: Cross multiply
    21,062.36x = 31,582.98 × 7,017.46
  4. Step 4: Simplify right side
    21,062.36x = 221,632,298.83
  5. Step 5: Solve for x
    x = 221,632,298.83/21,062.36
  6. Step 6: Final answer
    x = 10,522.67

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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.