Home / 15,735.04-21,713.40-9,019.24

Finding the Fourth Proportional to 15,735.04, 21,713.40 and 9,019.24

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Solution

The fourth proportional to 15,735.04, 21,713.40 and 9,019.24 is: 12,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.04 : 21,713.40 = 9,019.24 : x
  2. Step 2: Convert to fraction form
    15,735.04/21,713.40 = 9,019.24/x
  3. Step 3: Cross multiply
    15,735.04x = 21,713.40 × 9,019.24
  4. Step 4: Simplify right side
    15,735.04x = 195,838,365.82
  5. Step 5: Solve for x
    x = 195,838,365.82/15,735.04
  6. Step 6: Final answer
    x = 12,446.00

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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.