Home / 14,070.69-21,106.74-4,210.05

Finding the Fourth Proportional to 14,070.69, 21,106.74 and 4,210.05

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Solution

The fourth proportional to 14,070.69, 21,106.74 and 4,210.05 is: 6,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.69 : 21,106.74 = 4,210.05 : x
  2. Step 2: Convert to fraction form
    14,070.69/21,106.74 = 4,210.05/x
  3. Step 3: Cross multiply
    14,070.69x = 21,106.74 × 4,210.05
  4. Step 4: Simplify right side
    14,070.69x = 88,860,430.74
  5. Step 5: Solve for x
    x = 88,860,430.74/14,070.69
  6. Step 6: Final answer
    x = 6,315.29

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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.