Home / 14,415.64-21,621.60-4,555.91

Finding the Fourth Proportional to 14,415.64, 21,621.60 and 4,555.91

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Solution

The fourth proportional to 14,415.64, 21,621.60 and 4,555.91 is: 6,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.64 : 21,621.60 = 4,555.91 : x
  2. Step 2: Convert to fraction form
    14,415.64/21,621.60 = 4,555.91/x
  3. Step 3: Cross multiply
    14,415.64x = 21,621.60 × 4,555.91
  4. Step 4: Simplify right side
    14,415.64x = 98,506,117.71
  5. Step 5: Solve for x
    x = 98,506,117.71/14,415.64
  6. Step 6: Final answer
    x = 6,833.28

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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.