Home / 19,330.02-28,958.16-10,423.26

Finding the Fourth Proportional to 19,330.02, 28,958.16 and 10,423.26

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Solution

The fourth proportional to 19,330.02, 28,958.16 and 10,423.26 is: 15,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.02 : 28,958.16 = 10,423.26 : x
  2. Step 2: Convert to fraction form
    19,330.02/28,958.16 = 10,423.26/x
  3. Step 3: Cross multiply
    19,330.02x = 28,958.16 × 10,423.26
  4. Step 4: Simplify right side
    19,330.02x = 301,838,430.80
  5. Step 5: Solve for x
    x = 301,838,430.80/19,330.02
  6. Step 6: Final answer
    x = 15,615.01

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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.