Home / 11,070.72-15,292.50-10,283.40

Finding the Fourth Proportional to 11,070.72, 15,292.50 and 10,283.40

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Solution

The fourth proportional to 11,070.72, 15,292.50 and 10,283.40 is: 14,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.72 : 15,292.50 = 10,283.40 : x
  2. Step 2: Convert to fraction form
    11,070.72/15,292.50 = 10,283.40/x
  3. Step 3: Cross multiply
    11,070.72x = 15,292.50 × 10,283.40
  4. Step 4: Simplify right side
    11,070.72x = 157,258,894.50
  5. Step 5: Solve for x
    x = 157,258,894.50/11,070.72
  6. Step 6: Final answer
    x = 14,204.94

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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.