Home / 14,798.04-20,421.34-8,510

Finding the Fourth Proportional to 14,798.04, 20,421.34 and 8,510

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Solution

The fourth proportional to 14,798.04, 20,421.34 and 8,510 is: 11,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.04 : 20,421.34 = 8,510 : x
  2. Step 2: Convert to fraction form
    14,798.04/20,421.34 = 8,510/x
  3. Step 3: Cross multiply
    14,798.04x = 20,421.34 × 8,510
  4. Step 4: Simplify right side
    14,798.04x = 173,785,603.40
  5. Step 5: Solve for x
    x = 173,785,603.40/14,798.04
  6. Step 6: Final answer
    x = 11,743.83

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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.