Home / 15,460.74-21,336.93-8,746.65

Finding the Fourth Proportional to 15,460.74, 21,336.93 and 8,746.65

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Solution

The fourth proportional to 15,460.74, 21,336.93 and 8,746.65 is: 12,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.74 : 21,336.93 = 8,746.65 : x
  2. Step 2: Convert to fraction form
    15,460.74/21,336.93 = 8,746.65/x
  3. Step 3: Cross multiply
    15,460.74x = 21,336.93 × 8,746.65
  4. Step 4: Simplify right side
    15,460.74x = 186,626,658.78
  5. Step 5: Solve for x
    x = 186,626,658.78/15,460.74
  6. Step 6: Final answer
    x = 12,071.00

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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.