Home / 15,529.41-21,430.67-9,242.01

Finding the Fourth Proportional to 15,529.41, 21,430.67 and 9,242.01

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Solution

The fourth proportional to 15,529.41, 21,430.67 and 9,242.01 is: 12,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.41 : 21,430.67 = 9,242.01 : x
  2. Step 2: Convert to fraction form
    15,529.41/21,430.67 = 9,242.01/x
  3. Step 3: Cross multiply
    15,529.41x = 21,430.67 × 9,242.01
  4. Step 4: Simplify right side
    15,529.41x = 198,062,420.24
  5. Step 5: Solve for x
    x = 198,062,420.24/15,529.41
  6. Step 6: Final answer
    x = 12,754.02

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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.