Home / 13,415.04-20,118.01-4,647.91

Finding the Fourth Proportional to 13,415.04, 20,118.01 and 4,647.91

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Solution

The fourth proportional to 13,415.04, 20,118.01 and 4,647.91 is: 6,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415.04 : 20,118.01 = 4,647.91 : x
  2. Step 2: Convert to fraction form
    13,415.04/20,118.01 = 4,647.91/x
  3. Step 3: Cross multiply
    13,415.04x = 20,118.01 × 4,647.91
  4. Step 4: Simplify right side
    13,415.04x = 93,506,699.86
  5. Step 5: Solve for x
    x = 93,506,699.86/13,415.04
  6. Step 6: Final answer
    x = 6,970.29

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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.