Home / 15,461.32-21,336.62-8,746.81

Finding the Fourth Proportional to 15,461.32, 21,336.62 and 8,746.81

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Solution

The fourth proportional to 15,461.32, 21,336.62 and 8,746.81 is: 12,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.32 : 21,336.62 = 8,746.81 : x
  2. Step 2: Convert to fraction form
    15,461.32/21,336.62 = 8,746.81/x
  3. Step 3: Cross multiply
    15,461.32x = 21,336.62 × 8,746.81
  4. Step 4: Simplify right side
    15,461.32x = 186,627,337.91
  5. Step 5: Solve for x
    x = 186,627,337.91/15,461.32
  6. Step 6: Final answer
    x = 12,070.60

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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.