Home / 15,362.64-21,190.59-10,646.01

Finding the Fourth Proportional to 15,362.64, 21,190.59 and 10,646.01

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Solution

The fourth proportional to 15,362.64, 21,190.59 and 10,646.01 is: 14,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.64 : 21,190.59 = 10,646.01 : x
  2. Step 2: Convert to fraction form
    15,362.64/21,190.59 = 10,646.01/x
  3. Step 3: Cross multiply
    15,362.64x = 21,190.59 × 10,646.01
  4. Step 4: Simplify right side
    15,362.64x = 225,595,233.05
  5. Step 5: Solve for x
    x = 225,595,233.05/15,362.64
  6. Step 6: Final answer
    x = 14,684.67

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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.