Home / 14,271.04-19,702.64-9,311.68

Finding the Fourth Proportional to 14,271.04, 19,702.64 and 9,311.68

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Solution

The fourth proportional to 14,271.04, 19,702.64 and 9,311.68 is: 12,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.04 : 19,702.64 = 9,311.68 : x
  2. Step 2: Convert to fraction form
    14,271.04/19,702.64 = 9,311.68/x
  3. Step 3: Cross multiply
    14,271.04x = 19,702.64 × 9,311.68
  4. Step 4: Simplify right side
    14,271.04x = 183,464,678.84
  5. Step 5: Solve for x
    x = 183,464,678.84/14,271.04
  6. Step 6: Final answer
    x = 12,855.73

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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.