Home / 22,618.37-31,213.05-12,547.00

Finding the Fourth Proportional to 22,618.37, 31,213.05 and 12,547.00

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Solution

The fourth proportional to 22,618.37, 31,213.05 and 12,547.00 is: 17,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.37 : 31,213.05 = 12,547.00 : x
  2. Step 2: Convert to fraction form
    22,618.37/31,213.05 = 12,547.00/x
  3. Step 3: Cross multiply
    22,618.37x = 31,213.05 × 12,547.00
  4. Step 4: Simplify right side
    22,618.37x = 391,630,130.32
  5. Step 5: Solve for x
    x = 391,630,130.32/22,618.37
  6. Step 6: Final answer
    x = 17,314.69

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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.