Home / 10,574.12-14,601.40-8,779.98

Finding the Fourth Proportional to 10,574.12, 14,601.40 and 8,779.98

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Solution

The fourth proportional to 10,574.12, 14,601.40 and 8,779.98 is: 12,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.12 : 14,601.40 = 8,779.98 : x
  2. Step 2: Convert to fraction form
    10,574.12/14,601.40 = 8,779.98/x
  3. Step 3: Cross multiply
    10,574.12x = 14,601.40 × 8,779.98
  4. Step 4: Simplify right side
    10,574.12x = 128,199,999.97
  5. Step 5: Solve for x
    x = 128,199,999.97/10,574.12
  6. Step 6: Final answer
    x = 12,123.94

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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.