Home / 10,548.34-14,555.28-8,961.40

Finding the Fourth Proportional to 10,548.34, 14,555.28 and 8,961.40

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Solution

The fourth proportional to 10,548.34, 14,555.28 and 8,961.40 is: 12,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.34 : 14,555.28 = 8,961.40 : x
  2. Step 2: Convert to fraction form
    10,548.34/14,555.28 = 8,961.40/x
  3. Step 3: Cross multiply
    10,548.34x = 14,555.28 × 8,961.40
  4. Step 4: Simplify right side
    10,548.34x = 130,435,686.19
  5. Step 5: Solve for x
    x = 130,435,686.19/10,548.34
  6. Step 6: Final answer
    x = 12,365.52

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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.