Home / 11,283.52-15,572.88-6,570.40

Finding the Fourth Proportional to 11,283.52, 15,572.88 and 6,570.40

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Solution

The fourth proportional to 11,283.52, 15,572.88 and 6,570.40 is: 9,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.52 : 15,572.88 = 6,570.40 : x
  2. Step 2: Convert to fraction form
    11,283.52/15,572.88 = 6,570.40/x
  3. Step 3: Cross multiply
    11,283.52x = 15,572.88 × 6,570.40
  4. Step 4: Simplify right side
    11,283.52x = 102,320,050.75
  5. Step 5: Solve for x
    x = 102,320,050.75/11,283.52
  6. Step 6: Final answer
    x = 9,068.10

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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.