Home / 9,804.48-14,703.84-5,421.12

Finding the Fourth Proportional to 9,804.48, 14,703.84 and 5,421.12

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Solution

The fourth proportional to 9,804.48, 14,703.84 and 5,421.12 is: 8,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,804.48 : 14,703.84 = 5,421.12 : x
  2. Step 2: Convert to fraction form
    9,804.48/14,703.84 = 5,421.12/x
  3. Step 3: Cross multiply
    9,804.48x = 14,703.84 × 5,421.12
  4. Step 4: Simplify right side
    9,804.48x = 79,711,281.10
  5. Step 5: Solve for x
    x = 79,711,281.10/9,804.48
  6. Step 6: Final answer
    x = 8,130.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.