Home / 13,000.76-19,488.18-6,417.08

Finding the Fourth Proportional to 13,000.76, 19,488.18 and 6,417.08

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Solution

The fourth proportional to 13,000.76, 19,488.18 and 6,417.08 is: 9,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.76 : 19,488.18 = 6,417.08 : x
  2. Step 2: Convert to fraction form
    13,000.76/19,488.18 = 6,417.08/x
  3. Step 3: Cross multiply
    13,000.76x = 19,488.18 × 6,417.08
  4. Step 4: Simplify right side
    13,000.76x = 125,057,210.11
  5. Step 5: Solve for x
    x = 125,057,210.11/13,000.76
  6. Step 6: Final answer
    x = 9,619.22

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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.